Novak Djokovic has won the last three Australian Open titles and lifted the trophy nine times in all, which means he arrived in Melbourne as a hot favourite to triumph again.

Yet even before the chaos of the last 10 days, this looked a tough Australian Open for Djokovic, given the likes of Daniil Medvedev and Alexander Zverev have recently taken his scalp in major hard-court matches.

There was no doubt he was a worthy favourite, but Djokovic's dominance of the first half of last season was followed by a series of painful defeats, weakening his standing at the top of the game.

When the men's singles draw was made on Thursday, only two former champions featured: Djokovic and Rafael Nadal, the 2009 winner.

Here, Stats Perform assesses the contenders to follow Djokovic onto the Melbourne Park throne.

NEXT NUMBER ONE? DANIIL MEDVEDEV

Last year's runner-up, given a sound pasting by Djokovic in a final that came nowhere close to matching expectations, has come a long way since that crushing blow. Russian Medvedev was the only man to beat Djokovic in a grand slam last year, doing so at the final hurdle of the final major, without dropping a set in the US Open title match. That denied Djokovic a calendar year sweep of the majors, which would have been the first time the feat had been achieved by a man since Rod Laver's 1969 complete set.

He also took the first set off Djokovic in the Paris Masters final in November, only to lose the match. What is clear is that Medvedev is amassing experiences against Djokovic: some good and some bad, but all surely massively helpful. He lost in their first three encounters but has won four of the seven since.

Progress like this is what repeat champions are made of. Medvedev has a 9-9 win-loss record when dropping the first set of matches over the past year, which shows he is not easily beaten. Only Djokovic (14-6) has a better record in that respect.

Medvedev has a 54-9 record on hardcourts over the past 12 months, has gone mightily close to hitting number one in the rankings, and might see a lot of that top step in the months and years to come. On the 52-week rolling list, he holds a 16-8 win-loss record against top-10 opponents, which is second only to Djokovic (22-5).

Should Medvedev pull off a second consecutive grand slam win, it would make him just the third Russian man to win two or more grand slam singles titles, after Yevgeny Kafelnikov (French Open 1996 and Australian Open 1999) and Marat Safin (US Open 2000 and Australian Open 2005).

The last player other than Federer, Nadal and Djokovic to secure back-to-back majors was Andre Agassi (US Open 1999 and Australian Open 2000).

 

OVERDUE SLAM INCOMING? ALEXANDER ZVEREV

The Olympic champion and ATP Finals winner is just lacking a grand slam title to confirm to the wider sporting world his status as one of the rising generation's preeminent performers. Zverev beat Djokovic in semi-finals en route to both of those big 2021 titles, and although he also lost three times to the 20-time major winner over the season, he took four sets off the man from Belgrade in those defeats.

Zverev is improving season on season, and if he avoids injuries or other tribulations in 2022 then he surely stands a strong chance of picking up that first slam before the year is out. He won six titles in all in 2021, more than any other singles player on the ATP Tour, and holds a 43-10 win-loss record on hardcourts on the 52-week rolling list.

When the draw was made, he and Djokovic were set on another semi-final collision course, and that prospect looked tantalising. Until recently so far apart, the gap has closed considerably, Zverev tallying victories that will have surely troubled the world number one.

NOT READY TO BE YESTERDAY'S MAN: RAFAEL NADAL

Because why the heck not? Nadal, at the age of 35, returned from a long foot injury lay-off with a title at the Melbourne Summer Set tournament this month, and if his record at the Australian Open is deemed unspectacular by some, the Spaniard himself takes great pride in his achievements.

Recently, in a Melbourne news conference, he was asked why he had not reached the semi-finals of the Australian Open since his title year, and Nadal swiftly put his questioner right.

"I am very sorry to tell you – I don't want to – but I have been in the final of 2012, '14, '17, '19," he said. "I got injured a couple of times here in my tennis career, so of course it's been a great tournament for me, and of course I had a lot of challenges in terms of injuries in this event. Sorry to correct you."

Polite as ever, but pointed. Nadal knows he has been successful in Australia and would surely not have returned this year if he felt there was no chance of another run to the final. He rightly takes issue with those who forget his feats. Remember, he, like Djokovic and Federer, sits on 20 grand slams.

Nadal reached the quarter-finals last year and lost from two sets up against Stefanos Tsitsipas, so he will want to banish that memory. There is little evidence of hard-court form beyond his win in a mediocre field last week in Melbourne, but he is Rafael Nadal and he wins tennis tournaments. At least one every year since 2004. A 6-8 record against rival top-10 players over the past 52 weeks is no great shakes, but you count out Nadal at your peril.

 

NEXTGEN OR NEXT NEW CHAMP? JANNIK SINNER

Tennis is such a generation game just now. The Big Three (Big Four, if you include Andy Murray) are in the twilight years of their careers, coming under long-awaited threat from the mid-twenties likes of Medvedev, Zverev, Dominic Thiem (absent from Australia), Tsitsipas and Matteo Berrettini.

Sinner is to the forefront of the pack of the next big group coming through (see also: Carlos Alcaraz, Lorenzo Musetti). At 20, the Italian is entering a big year in the context of his career. By the time Djokovic turned 20, he was sixth in the world, Federer was 14th on the day he left his teenage years behind, and Nadal was second. Progress comes at different rates.

Sinner was 15th in the rankings on his last birthday, in August, but has since dipped his toes into the top 10 and currently stands 11th. He won four ATP Tour titles in 2021, finished the year with a 49-22 record, and can reasonably be expected to kick on. The Italian has yet to majorly show up at the grand slams, with a Roland Garros quarter-final in 2020 his best run yet.

Expect that to change soon enough. Sinner is only 6-9 against top-10 players on the 52-week list, but he warmed up for the challenge that lies ahead in Melbourne with three straight-sets singles victories at the ATP Cup. His 42-14 record on hardcourts over the last year suggests the Australian Open should suit him as well as any slam.

Twenty-time major winner Rafael Nadal says he is tired of the Novak Djokovic saga ahead of the Australian Open and insists the event will be "great" with or without him.

Sixth seed Nadal is preparing to take on American Miguel Giron in the Australian Open first round on Monday but preparations have been hijacked by Djokovic's ongoing visa status.

The world number one had his visa cancelled by the Australian Immigration Minister on Friday with an appeal to be held on Sunday.

The situation has dragged on for the past week, with Nadal admitting he was tired of the narrative and that no one player is bigger than the Australian Open.

"I tell you one thing, it's very clear that Novak Djokovic is one of the best players of the history, but there is no one player in history that's more important than an event," Nadal told reporters on Saturday.

"[The] Australian Open is much more important than any player. If he's playing finally, OK.

"If he's not playing, [the] Australian Open will be great, with or without him. That's my point of view."

World number six Nadal, who has only won the Australian Open title once in 2009, said he hoped focus would return to the upcoming tournament where he is aiming for a record-breaking 21st slam.

"Honestly, I'm little bit tired of the situation because I just believe that it's important to talk about our sport, about tennis," Nadal said.

The Spaniard added that he respected Djokovic and has a "good relationship" with him despite their differences.

"I wish him all the best. I really respect him, even if I [do] not agree with a lot of things that he did the last couple of weeks," he said.

Novak Djokovic's Australian Open fate will be determined on Sunday although it remains to be decided if it will be in front of a full court or single judge.

Saturday's hearing was procedural with Justice David O'Callaghan transferring the matter to the Federal Court of Australia as agreed by both parties' lawyers for a 9:30am AEDT start.

The hearing was adjourned with the only contention that Djokovic's lawyers are in favour of the case being held before more than one judge, meaning no appeal to the full bench is possible.

Stephen Lloyd, who was appearing on behalf of the Minister for Immigration and Citizenship, did not agree, with the court expected to make a decision later on Saturday.

“We say there isn’t a justification for stepping out of the ordinary," Lloyd told the court.

Djokovic's visa was revoked for a second time on Friday despite the 34-year-old winning his initial case on Monday.

The Serbian world number one is fighting the decision, and lawyer Nick Wood, on behalf of Djokovic, contended in a directions hearing on Friday evening that the "underlying new rationale" behind the Australian government's latest move to kick out the Serbian is that it contends his presence "will excite anti-vax sentiment".

Wood said immigration minister Alex Hawke had given no consideration to the impact that deporting Djokovic may have among those opposed to COVID-19 vaccines, saying his client was of "negligible risk", "of good standing" and had a medical contraindication to a vaccine.

In a statement released on Friday, Hawke said the decision had been taken "on health and good order grounds, on the basis that it was in the public interest to do so".

The Australian Open is due to commence on Monday where Djokovic was aiming for his 10th Melbourne slam. Djokovic was also hoping to challenge for a record-breaking 21st major title.

Djokovic is scheduled to face countryman Miomir Kecmanovic in the first round in Melbourne on Monday.

Novak Djokovic was detained once again by Australian border force officials ahead of Saturday's crucial hearing, according to widespread reports.

It was agreed in court on Friday that the world number one would be detained in Melbourne, ahead of a hearing that will take place with justice David O'Callaghan from the Federal Court on Saturday at 10:15 (Friday 23:15 GMT).

Djokovic, whose visa was revoked for a second time on Friday despite the 34-year-old winning his initial case on Monday, was granted permission to remain at his accommodation but it was agreed he would be detained at 08:00 in Melbourne when he was due to report for an interview with immigration officials.

The 34-year-old is fighting the decision, and lawyer Nick Wood, on behalf of Djokovic, contended in a directions hearing on Friday evening that the "underlying new rationale" behind the Australian government's latest move to kick out the Serbian is that it contends his presence "will excite anti-vax sentiment".

Wood said immigration minister Alex Hawke had given no consideration to the impact that deporting Djokovic may have among those opposed to COVID-19 vaccines, saying his client was of "negligible risk", "of good standing" and had a medical contraindication to a vaccine.

In a statement released on Friday, Hawke said the decision had been taken "on health and good order grounds, on the basis that it was in the public interest to do so".

Djokovic has expressed opposition to vaccine mandates in the past and has confirmed he has not been vaccinated against coronavirus.

The case has been transferred from the Federal Circuit Court to the Federal Court of Australia, judge Anthony Kelly said, and will take place via videolink.

Whatever decision is made, this is woeful preparation for Djokovic ahead of the tournament where he was planning to mount an assault on a 10th Australian Open title, and a record-setting 21st grand slam.

Djokovic will then be allowed to attend meetings with his solicitors in person from 10:00 to 14:00 on Saturday, accompanied by Border Force officials, before returning to a detention hotel until he is reunited with his solicitors from 09:00 on Sunday.

To avoid possible disorder on the streets, he is set to meet his legal team away from their Melbourne offices, where fans gathered and unruly behaviour took place following Djokovic's first effort to clear a path to play at the tournament that begins on Monday.

Should Djokovic lose his case, he faces being deported from Australia.

Andy Murray refused to add to Novak Djokovic's troubles after the Serbian star's visa saga reared up again, insisting he would not "start kicking Novak while he's down".

Some players have been critical of Djokovic, while world number four Stefanos Tsitsipas said the Serbian has been "playing by his own rules" after refusing to be vaccinated against the COVID-19 virus.

Djokovic faces a critical Federal Court hearing on Sunday that looks set to determine whether he can play at the Australian Open, which starts the following day.

Although the Serbian arrived in Australia with a medical exemption for the grand slam tournament, which he has won on a record nine occasions, that did not satisfy Border Force officers who last week decided Djokovic did not meet entry requirements.

After four days in detention, Djokovic won a first challenge against the visa decision on Monday and has been able to train at Melbourne Park in the days since; however, he will be returned to detention on Saturday morning in the Victoria state capital after immigration minister Alex Hawke cancelled the visa anew.

Murray said: "It's not a good situation. I'm not going to sit here and start kicking Novak while he's down. It's unfortunate it's ended up in this sort of situation.

"It's just one to get resolved. I think it would be good for everyone if that was the case. It seems like it's dragged on for quite a long time now.

"It's not great for tennis, not great for the Australian Open, not great for Novak, and a lot of people have criticised the government here as well, so it's not been good.

Murray banged his head against a microphone in exasperation as he faced another question on the matter, clearly by now sick of being asked about Djokovic.

The Scot, a former world number one and long-time friend and rival to Djokovic, was asked about the latest developments after coming off court, having just booked his place in the final of an ATP Tour event for the first time since 2019.

Speaking after his semi-final win at the Sydney Classic, Murray said: "I would encourage people to get vaccinated.

"But I do feel like people should be able to make their own decisions. Ultimately, people have to make their own choices, but there is also consequences sometimes for those decisions as well."

Former doubles world number one Rennae Stubbs told Australian broadcaster ABC she expected the story to keep rumbling on.

"It's not over, he's staying in the country, but for the ramifications for the Australian Open, it's huge," Stubbs said.

"It's hard to know, obviously I'm not in his mind, but I would say he's going to be extremely disappointed, very sad, angry. I think he's probably going through all the emotions you can imagine as a human being."

Before the hearing on Sunday was confirmed, Stubbs said: "Unfortunately for Novak, it's not looking good."

Djokovic has been drawn to face fellow Serbian Miomir Kecmanovic in the first round in a match that would be expected to take place on Monday or Tuesday.

Although the case of Djokovic has drawn global attention, Australian Stubbs said the single-minded nature of tennis players meant most were "really not concerned about Novak and his dilemmas".

"I think they're ready to get on with this tournament," she said. "I frankly think that most of them are sick and tired of talking about Novak and dealing with this situation in general."

Novak Djokovic's Australian Open fate is set to be determined in a fresh hearing on Sunday – with the defending champion back into detention before that takes place.

In a crushing blow to his preparations for the grand slam, Djokovic learned on Friday that his visa had been revoked for a second time, meaning he faces the prospect of deportation.

The 34-year-old is fighting the decision, and lawyer Nick Wood, on behalf of Djokovic, contended in a directions hearing on Friday evening that the "underlying new rationale" behind the Australian government's latest move to kick out the Serbian is that it contends his presence "will excite anti-vax sentiment".

Wood said immigration minister Alex Hawke had given no consideration to the impact that deporting Djokovic may have among those opposed to COVID-19 vaccines, saying his client was of "negligible risk", "of good standing" and had a medical contraindication to a vaccine.

In a statement released on Friday, Hawke said the decision had been taken "on health and good order grounds, on the basis that it was in the public interest to do so".

Djokovic has expressed opposition to vaccine mandates in the past and has confirmed he has not been vaccinated.

For Djokovic, Wood said: "The minister only considers the potential for exciting anti-vax sentiment in the event that he's present, but the binary alternative of forcibly removing this high profile, legally compliant, negligible risk, medical contraindication player, precluding or impairing his ability to come back to Australia for three years and prejudicing his career, on the basis of two statements made in 2020 and the possible perception of those statements by others; the minister gives no consideration whatsoever to what effect that may have on anti-vax sentiment and indeed on public order. That seems patently irrational."

The case has been transferred from the Federal Circuit Court to the Federal Court of Australia, judge Anthony Kelly said, and will take place via videolink.

An initial hearing will take place with justice David O'Callaghan from the Federal Court on Saturday at 10:15 local time (Friday 23:15 GMT), it was announced.

Whatever happens now, this is woeful preparation for Djokovic ahead of the tournament where he was planning to mount an assault on a 10th Australian Open title, and a record-setting 21st grand slam.

He was cleared to spend Friday night at his current accommodation, rather than be moved immediately back into detention, but that is set to occur on Saturday morning at 08:00 local time in Melbourne when he reports for an interview with immigration officials.

Djokovic will then be allowed to attend meetings with his solicitors in person from 10:00 to 14:00 on Saturday, accompanied by Border Force officials, before returning to a detention hotel until he is reunited with his solicitors from 09:00 on Sunday.

To avoid possible disorder on the streets, he is set to meet his legal team away from their Melbourne offices, where fans gathered and unruly behaviour took place following Djokovic's first effort to clear a path to play at the tournament that begins on Monday.

Djokovic will for now be unable to practise at Melbourne Park. His opening match in the Australian Open is due to be scheduled for Monday or Tuesday.

Hawke explained why the visa had been revoked earlier on Friday, saying in a statement: "In making this decision, I carefully considered information provided by the Department of Home Affairs, the Australian Border Force and Mr Djokovic.

"The [Scott] Morrison government is firmly committed to protecting Australia's borders, particularly in relation to the COVID-19 pandemic."

Concerns have been expressed over the 34-year-old Djokovic's whereabouts prior to arriving in the country. Djokovic admitted there was a false declaration on his travel form to enter Australia, after it stated he had not travelled in the two weeks before arriving in the country.

The tennis star, who was seen in Spain earlier this month, put that down to "human error" and accepted breaching isolation rules in December after testing positive for COVID-19.

World number one Novak Djokovic has had his Australian visa revoked for a second time and now faces being deported from the country.

Djokovic won an appeal on Monday to remain in the country, but immigration minister Alex Hawke used separate powers in Australia's Migration Act to again cancel the visa.

The Serbian must now lodge a fresh legal challenge should he wish to defend his Australian Open title, with the tournament set to begin next Monday. 

Novak Djokovic has had his Australian visa revoked for a second time and now faces being deported from the country.

Novak Djokovic has had his visa cancelled for a second time by the Australian government and faces deportation.

Novak Djokovic put the Australian Open at risk and has made other participants "look like fools" by turning up for the tournament unvaccinated, according to Stefanos Tsitsipas.

World number one Djokovic was paired with Miomir Kecmanovic in Thursday's draw for the opening round, but it remains uncertain whether he will even take part in the first grand slam of the year.

The Serbian was last week given a medical exemption to enter Australia, despite not being vaccinated, only for border officials to block it upon his arrival.

Djokovic was detained for four days while waiting to appeal the case on Monday, which went in his favour at Melbourne Circuit Court.

He has since started training ahead of the Australian Open, which begins next Monday, though immigration minister Alex Hawke may yet cancel his visa for a second time.

The 34-year-old is also being investigated for breaching isolation rules in December after testing positive for COVID-19.

And as a decision regarding whether he can stay in Australia and defend his title is dragged out, Tsitsipas has become the highest-profile tennis figure to criticise Djokovic for his conduct.

"He has been playing by his own rules," world number four Tsitsipas told Indian outlet WION.

"No one would have thought: 'I can come to Australia unvaccinated and not have to follow the protocols they gave me'.

"For Novak it worked another way. It takes a lot of daring to do. Putting a Grand Slam at risk – I don't think many players would do that."

Tsitsipas, who was defeated by Djokovic in last year's French Open final, added: "There are two ways to look at it.

"One way is that almost every single player has been vaccinated and did what they had to do in order to come and play in Australia.

"We have all followed the protocols to come and compete in Australia and been very disciplined in that.

"It seems like not everyone is playing by the rules of how Tennis Australia and some governments have been putting things.

"A very small minority chose to follow their own way. It makes the majority look like they are all fools."

Djokovic has spent the past four days training on court in preparation for the Australian Open, which he has won a record nine times, including in each of the last three years.

But weighing in on the debate on Thursday, Australian deputy prime minister Barnaby Joyce said the 20-time grand slam winner must "abide by the rules" if he is to remain in the country.

"You have to be frank – the vast majority of Australians said they didn't like the idea that another individual, whether they're a tennis player or the king of Spain or the queen of England, can come up here and have a different set of rules to what everybody else has to deal with," Joyce said.

"Let's see where it goes from here… I've made my views clear. I might not agree with the fact that I have to be tested to go from New South Wales into Queensland but I do [it’. Why? Because that is the law.

"He is no better. He is still a child of God like the rest of us, isn't he? So he has got to abide by the laws."

Novak Djokovic has been drawn against Miomir Kecmanovic in the opening round of the Australian Open as the defending champion awaits to hear if he can stay in the country.

World number one Djokovic was last week given a medical exemption to enter Australia, despite not being vaccinated, only for border officials to block it upon his arrival.

The 20-time grand slam winner was detained for four days while waiting to appeal the case on Monday, which went in his favour at Melbourne Circuit Court.

Djokovic has since started training ahead of the Australian Open, which begins next Monday, though immigration minister Alex Hawke may yet cancel his visa for a second time. 

A decision on whether Djokovic can compete in the first grand slam of the year, which he has won a record nine times, could be made on Thursday.

Should he be given the all clear to take part, Djokovic will face compatriot Kecmanovic in the first round at Melbourne Park.

Thursday's draw, which was delayed by one hour and 15 minutes for unspecified reasons, also saw fellow 20-time grand slam winner Rafael Nadal paired with Marcos Giron.

Nadal is in the same half of the draw as Djokovic, meaning the pair could meet in the semi-finals, while third seed Alexander Zverev is also in the top half.

Second seed and 2021 finalist Daniil Medvedev is in the bottom half along with Stefanos Tsitsipas and will take on Henri Laaksonen first up.

In the women's draw, Australia's world number one Ash Barty will begin her quest for glory on home soil against a qualifier.

The top seed is on a collision course with defending champion Naomi Osaka, who goes face-to-face with Camila Osorio in round one on her return from a four-month break.

Reigning US Open winner Emma Raducanu is up against Sloane Stephens, who won the New York major in 2017, while Storm Sanders awaits second seed Aryna Sabalenka.

Novak Djokovic has been labelled "selfish" by Joao Sousa for arriving at the Australian Open unvaccinated, but uncertainty still surrounds the Serbian's participation in the event. 

World number one Djokovic was last week given a medical exemption to enter Australia, despite not being vaccinated, only for border officials to block it upon his arrival.

The 20-time grand slam winner was detained for four days while waiting to appeal the case on Monday, which went in his favour at Melbourne Circuit Court.

Djokovic has since started training ahead of the Australian Open, which begins on January 17, though immigration minister Alex Hawke may yet cancel his visa for a second time.

Should the 34-year-old be given the green light to compete at Melbourne Park, however, world number 140 Sousa says it will not sit right with others taking part.

"I respect that he fights for what he believes and I can be empathetic with what he is going through in Australia," Sousa is quoted as saying by Portuguese outlet Bola Amarela.

"But it's a bit selfish from him to arrive here as the only player unvaccinated. It's tough for us players to accept that."

Djokovic has been widely criticised for appearing on social media to mingle with the public in a series of appearances after returning a positive COVID-19 test on December 16.

In a statement issued on Wednesday, Djokovic accepted he had made "an error of judgement" going ahead with an interview with French publication L'Equipe around that time.

Franck Ramella, the French journalist who conducted the 33-minute interview while Djokovic was COVID-19 positive, confirmed the tennis star wore a mask the whole time.

A decision on whether Djokovic can defend the title he has won a record nine times could be made on Thursday, when the draw for the main tournament is scheduled to take place.

Novak Djokovic has moved to "address the continued misinformation" about his attendance at events in December after he had tested positive for COVID-19 prior to his arrival in Australia.

The world number one, who won an appeal on Monday over his visa cancellation after being detained on arrival in Melbourne last week, wrote a six-panel post on Instagram on Wednesday amid ongoing discussion on his participation at the upcoming Australian Open due to commence on January 17.

Djokovic has come under fire for allegedly incorrectly filling out his Australian Travel Declaration form, with Immigration Minister Alex Hawked stating he would "thoroughly consider" the false declaration.

The 20-time major winner said in the post that this was a "human error" and that he had since provided additional information to the Australian Government to clarify the matter.

The Serbian has also been criticised for appearing on social media to mingle with the public in a series of appearances after returning a positive test for COVID-19 on December 16.

Fellow Grand Slam winner Andy Murray had said on Tuesday that Djokovic needed to explain why he was out in public when positive with COVID-19, with Djokovic explaining his version of events.

"I attended a basketball game in Belgrade on 14 December after which it was reported that a number of people tested positive with COVID-19," Djokovic wrote.

"Despite having no COVID symptoms, I took a rapid antigen test on 16 December which was negative, and out of an abundance of caution, also took an official and approved PCR test on that same day.

"The next day I attended a tennis event in Belgrade to present awards to children and took a rapid antigen test before going to the event, and it was negative. I was asymptomatic and felt good, and I had not received the notification of a positive PCR test result until after that event.

"The next day, on 18 December I was at my tennis centre in Belgrade to fulfil a long-standing commitment for a L'Equipe interview and photoshoot. I cancelled all other events except for the L'Equipe interview.

"I felt obliged to go ahead and conduct the L'Equipe interview as I didn't want to let the journalist down, but did ensure I socially distanced and wore a mask except when my photograph was being taken.

"While I went home after the interview to isolate for the required period, on reflection, this was an error of judgement and I accept that I should have rescheduled this commitment."

Djokovic said the false declaration, where it was written he had not travelled in the 14 days prior to his arrival in Australia, was a "human error" and "not deliberate".

"On the issue of my travel declaration, this was submitted by my support team on my behalf - as I told immigration officials on my arrival - and my agent sincerely apologises for the administrative mistake in ticking the incorrect box about my previous travel before coming to Australia," Djokovic said.

"This was a human error and certainly not deliberate. We are living in challenging times in a global pandemic and sometimes these mistakes can occur. Today, my team has provided additional information to the Australian Government to clarify this matter."

Novak Djokovic has moved to "address the continued misinformation" about his attendance at events in December after he had tested positive for COVID-19 prior to his arrival in Australia.

The world number one, who won an appeal on Monday over his visa cancellation after being detained on arrival in Melbourne last week, wrote a six-panel post on Instagram on Wednesday amid ongoing discussion on his participation at the upcoming Australian Open.

Djokovic has come under fire for allegedly incorrectly filling out his Australian Travel Declaration form, with Australian Immigration Minister Alex Hawked stating he would "thoroughly consider" the false declaration.

The 20-time major winner said in the post that this was a "human error" and that he had since provided additional information to the Australian Government to clarify the matter.

The Serbian has also been criticized for appearing on social media to mingle with the public in a series of appearances after returning a positive test for COVID-19 on December 16 but he moved to clarify that situation too.

Fellow Grand Slam winner Andy Murray had said on Tuesday that Djokovic needed to explain why he was out in public when positive with COVID-19.

"I attended a basketball game in Belgrade on 14 December after which it was reported that a number of people tested positive with COVID-19," Djokovic wrote.

"Despite having no COVID symptoms, I took a rapid antigen test on 16 December which was negative, and out of an abundance of caution, also took an official and approved PCR test on that same day.

"The next day I attended a tennis event in Belgrade to present awards to children and took a rapid antigen test before going to the event, and it was negative. I was asymptomatic and felt good, and I had not received the notification of a positive PCR test result until after that event.

"The next day, on 18 December I was at my tennis centre in Belgrade to fulfil a long-standing commitment for a L'Equipe interview and photoshoot. I cancelled all other events except for the L'Equipe interview.

"I felt obliged to go ahead and conduct the L'Equipe interview as I didn't want to let the journalist down, but did ensure I socially distanced and wore a mask except when my photograph was being taken.

"While I went home after the interview to isolate for the required period, on reflection, this was an error of judgement and I accept that I should have rescheduled this commitment."

Djokovic said the false declaration, where it was written he had not travelled in the 14 days prior to his arrival in Australia, was a "human error" and "not deliberate".

"On the issue of my travel declaration, this was submitted by my support team on my behalf - as I told immigration officials on my arrival - and my agent sincerely apologises for the administrative mistake in ticking the incorrect box about my previous travel before coming to Australia," Djokovic said.

"This was a human error and certainly not deliberate. We are living in challenging times in a global pandemic and sometimes these mistakes can occur. Today, my team has provided additional information to the Australian Government to clarify this matter."

Andy Murray says there are "questions that need to be answered" by Novak Djokovic before the world number one plays in the Australian Open.

Frustrated by the Djokovic saga becoming a distraction, Murray wants the world number one to tie up loose ends at the earliest opportunity, so the tennis world can move on.

There remain grey areas surrounding the Serbian's commitment to isolating after testing positive for COVID-19 on December 16 last year.

A maskless Djokovic was pictured at a Belgrade tennis club's awards event on December 17, and L'Equipe has reported he took part in a photo shoot and interview for the French sports newspaper on the following day. It remains to be established whether Djokovic knew by that stage that he had returned a positive test.

The coronavirus infection allowed Djokovic to qualify for a medical exemption to play at Melbourne Park, and the 20-time grand slam winner confirmed on arrival in Australia that he is unvaccinated, before his visa was initially revoked.

It is not known what his plans would have been for the Australian Open had he not tested positive, as players are required by Tennis Australia to be either vaccinated or have a compelling case for an exemption.

Djokovic was released from a four-day detention in a Melbourne hotel following a court hearing on Monday, and long-time friend and rival Murray said: "It's positive that he's not in detention anymore. He won in court, so that's a positive thing for him, and hopefully we'll be able to concentrate on the tennis now.

"I think there is still a few questions that need to be answered around the isolation and stuff, which I'm sure we'll hear from him in the next few days, but I'm obviously here to try and play and win tournaments."

Australia's immigration minister Alex Hawke could still cancel Djokovic's visa on new grounds, meaning his participation at the year's first grand slam, which begins next Monday, is not yet 100 per cent confirmed. The nine-time Australian Open champion will be seeking a record 21st men's grand slam singles title if cleared to play.

Murray, who won in the first round of the Sydney Classic on Tuesday, is conscious of the Djokovic saga dragging on.

It was clear the Briton believes an important step forward is for Djokovic to answer journalists' questions on the matter.

"It's the first match that I have played here, or won here, in over three years, and this is where the situations like this are frustrating for players," said Murray. "I want to come off and talk about my tennis and what's happening there, not talking about situations like that.

"So I'm hoping that we can move on from it now. He won in court, which is good. It looks like he's going to be able to play and compete in the Australian Open. We do want the best players there.

"But like I said, I think there is still a few questions to be answered. It's up to the press to ask about that and for Novak to clarify, so let's wait to see what he says."

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