Novak Djokovic will be on the "next plane home" if he fails to prove he merits a medical exemption to play in the Australian Open.

Tournament organisers have faced a backlash after it was announced this week that Djokovic has been granted a medical exemption to play in the first grand slam of the year.

The Serbian has refused to state whether he has been vaccinated, but protocols in Australia require proof that competitors and staff have been jabbed or have a medical exemption to compete at Melbourne Park.

Tournament director Craig Tiley insisted that the 20-time major champion had not been given a "special favour" to play in the tournament.

Australian Prime Minister Scott Morrison on Wednesday stated that Djokovic will not defend his title if he fails to show that he is exempt.

He told reporters: "We await his presentation and what evidence he provides us to support that.

"If that evidence is insufficient, then he won't be treated any different to anyone else and he'll be on the next plane home. There should be no special rules for Novak Djokovic at all. None whatsoever."

Tiley told The Today Show on Tuesday: "There's been no special favour. There's been no special opportunity granted to Novak.

"As an organisation and as a sport, we've done what everyone else does and would do if they wanted to come to Australia and under certain conditions.

"And we have abided by those conditions and I know Australia's had the most comprehensive response to COVID of any nation in the world. And our governments have done everything they humanly possibly can to keep us safe.

"It's ultimately the decision of the medical experts and we follow that accordingly. In this case, Novak made that application.

"And like others, there's been 26 athletes and their primary support staff that have made applications and a handful of those have been granted by the panel.

"The conditions in which any tennis player comes in, no matter who they are, are conditions that have been put on tennis and put on anyone coming into Australia by the Australian government."

The Australian Open begins on January 17.

Novak Djokovic has not been granted any "special favour" for a medical exemption to play in the Australian Open, tournament director Craig Tiley insisted.

Djokovic announced on Tuesday that he was on his way to Melbourne for the first grand slam of 2022, a revelation that was met with a host of criticism.

The world number one has not openly addressed whether he has been vaccinated for COVID-19, but protocols in Australia require proof that competitors have been jabbed or have a medical exemption to feature at Melbourne Park.

The Serbian has been vocal in his opposition for vaccine mandates, calling for freedom across the world, and is now expected to be welcomed with a frosty reception by those in the country battling a surge in cases of the Omicron variant.

Tiley spoke on the matter, coinciding with confirmation from the Australian Open that the 34-year-old was set to compete, as he referenced the "fair and independent protocols" in granting exemptions.

The tournament director has since reiterated his defence over the decision to allow Djokovic to defend his title, and search for a record 21st singles grand slam triumph, as he insisted there had been no preferential treatment.

Tiley said on Australia's The Today Show: "There's been no special favour. There's been no special opportunity granted to Novak.

"As an organisation and as a sport, we've done what everyone else does and would do if they wanted to come to Australia and under certain conditions.

"And we have abided by those conditions and I know Australia's had the most comprehensive response to COVID of any nation in the world. And our governments have done everything they humanly possibly can to keep us safe.

"It's ultimately the decision of the medical experts and we follow that accordingly. In this case, Novak made that application.

"And like others, there's been 26 athletes and their primary support staff that have made applications and a handful of those have been granted by the panel.

"The conditions in which any tennis player comes in, no matter who they are, are conditions that have been put on tennis and put on anyone coming into Australia by the Australian government."

Roger Federer and Rafael Nadal also sit with Djokovic on 20 major crowns, but the Swiss star is already ruled out of the tournament, which starts on January 17, through injury.

Nadal could yet compete after posting pictures showing he was in Melbourne as he continues to recover from a positive COVID-19 test in recent weeks.

Jamie Murray has questioned why Novak Djokovic was granted special dispensation to compete at the Australian Open.

Seven-times grand slam doubles champion Murray was asked about the decision to grant Djokovic a medical exemption for the year's first grand slam tournament at Melbourne Park.

Players have been obliged to either prove they are vaccinated against COVID-19 or apply for an exemption, which tournament organisers said involved a "rigorous" process to prove eligibility.

World number one Djokovic is a nine-time Australian Open men's singles champion, yet it was unclear until Tuesday whether he would be allowed to play the event this year.

There has been early backlash to the decision to clear him, with Melbourne having been hit by multiple lockdowns during the pandemic and many believing only vaccinated players should be playing.

Murray, brother of Djokovic's long-time friend and rival Andy Murray, spoke after the Serbian was permitted to travel into Australia and said he doubted he would get the same treatment.

Asked about the situation in an ATP Cup news conference, Jamie Murray said: "I don't know what to say about that really. I think if it was me that wasn't vaccinated, I wouldn't be getting an exemption.

"But well done to him for getting cleared to come to Australia and compete."

Djokovic may wish to elaborate further on the factors behind him being given the green light to travel into the state of Victoria, and will doubtless face media questions about the situation once he arrives.

However, the 20-time grand slam winner has been unwilling to disclose his vaccination status until now, which suggests there is little prospect of him offering further medical insight at this stage.

Asked if he felt it was not a fair decision to exempt Djokovic, Jamie Murray added: "Whatever you want to say, that's the situation."

Murray, 35, was interrupted at that point by Great Britain captain Liam Broady, who said: "At the end of the day, you have to trust he has a valid reason for the medical exemption, that's all you can say about it really, isn't it."

However, Broady had no doubt Djokovic would play the Australian Open, which begins on January 17, and claimed it was a foregone conclusion.

In an Instagram story, Broady posted a screenshot of Djokovic's announcement, adding the remark: "The second AO announced there would be exemptions 8 weeks ago we all knew."

Novak Djokovic went through "rigorous" checks before being handed a medical exemption to compete at the Australian Open, tournament chiefs insisted.

A wave of criticism followed Djokovic's announcement that he was on his way to Melbourne for the season's first grand slam tournament.

The Serbian has not directly addressed whether he has been vaccinated against COVID-19, but players who compete at Melbourne Park either require proof they have been jabbed or an exemption.

He has spoken openly and critically about vaccine mandates, insisting there should be freedom of choice in all walks of life.

Many Australians on social media spoke out against the decision to welcome Djokovic into the country, predicting he could face a frosty reception while the country battles surging cases of the Omicron variant.

Djokovic will be bidding to win a 10th Australian Open title and a record 21st singles grand slam, more than any man in history.

The 34-year-old had his bags packed and was awaiting a flight at an airport when he broke the news of his trip to Australia on Tuesday.

Australian Open chiefs confirmed he had been granted permission to play, saying in a statement: "Novak Djokovic will compete at the Australian Open and is on his way to Australia.

"Djokovic applied for a medical exemption which was granted followting a rigorous review process involving two separate independent panels of medical experts. One of those was the independent medical exemption review panel appointed by the Victorian Department of Health."

There has been no detail given of why Djokovic qualified for an exemption, and unless he is willing to disclose personal medical information it is set to remain that way.

Australian Open tournament director Craig Tiley said it remained the case that all involved with the tournament, from fans through to players, must be fully vaccinated or have an exemption permission allowing them to attend.

Tiley said: "Fair and independent protocols were established for assessing medical exemption applications that will enable us to ensure Australian Open 2022 is safe and enjoyable for everyone.

"Central to this process was that the decisions were made by independent medical experts and that every applicant was given due consideration."

Explaining the process of securing exemptions, the Australian Open indicated in its statement that Djokovic would not have been treated as a special case.

It pointed out that a government-appointed panel assessed all cases that got past the first stage of checks, and that "the process included the redaction of personal information to ensure privacy for all applicants".

This should mean Djokovic was not identifiable to those making the crucial decisions about whether he should be allowed to take part.

"The multi-step independent review process was designed to ensure the safety of everyone at the Australian Open," the tournament statement added.

Novak Djokovic has announced he will play at the Australian Open, revealing he has been given "exemption permission" to compete.

The world number one and nine-time champion in Melbourne has not declared whether he has been vaccinated against the COVID-19 virus.

Australia has stringent rules about who should be allowed to enter the country, with tennis players needing to be either vaccinated or hold a medical exemption in order to play the grand slam tournament.

Serbian superstar Djokovic wrote on Instagram on Tuesday: "I’ve spent fantastic quality time with my loved ones over the break and today I'm heading Down Under with an exemption permission. Let's go 2022!!"

Djokovic's message was accompanied by a picture of him at an airport, with a tennis racquet bag atop his luggage on a trolley, indicating he was ready to board his flight to Australia.

He told his followers: "Happy New Year, everybody! Wishing you all health, love, and happiness in every present moment and may you feel love and respect towards all beings on this wonderful planet."

Australian Open tournament director Craig Tiley said on Sunday he expected defending champion Djokovic's status for the event to become clear within days. The grounds for Djokovic receiving an exemption have yet to be disclosed, and it is unclear whether they will ever be made public.

The 20-time grand slam winner withdrew from the ATP Cup in Sydney last week, begging questions of whether he would head to Australia at all, but now that appears to have been cleared up.

Djokovic has steadfastly refused to disclose whether he has been jabbed. His declaration that he has been given an exemption points to him not having been vaccinated.

The 34-year-old won in Melbourne last February and followed up by triumphing at the French Open and Wimbledon to join Rafael Nadal and Roger Federer on 20 major titles.

Djokovic will be attempting to seize the outright lead by capturing a 21st slam, with the Australian Open running from January 17-30 at Melbourne Park.

He was on the same mission at the US Open but lost out to Daniil Medvedev in the New York final in September, as the Russian landed his first grand slam title at Flushing Meadows.

Medvedev was the man Djokovic beat in last year's Australian Open final, and is again expected to be a major challenger this time around.

Novak Djokovic has announced he will play at the Australian Open, revealing he has been given "exemption permission" to compete.

The world number one and nine-time champion in Melbourne has not declared whether he has been vaccinated against the COVID-19 virus.

Australia has stringent rules about who should be allowed to enter the country, with tennis players needing to be either vaccinated or hold a medical exemption in order to play the grand slam tournament.

Serbian superstar Djokovic wrote on Instagram: "I’ve spent fantastic quality time with my loved ones over the break and today I'm heading Down Under with an exemption permission. Let's go 2022!!"

Australian Open tournament director Craig Tiley says it should become clear in "the coming days" if Novak Djokovic will defend his title at Melbourne Park this month.

Djokovic withdrew from the ATP Cup in Sydney last week and has not yet arrived in Melbourne for the first grand slam of the year.

Players must be vaccinated or have a medical exemption in order to play in the opening major of 2022 and Djokovic has refused to disclose whether he has been jabbed.

Tiley is unsure whether the world number one will go in search of a record 21st grand slam title at the Australian Open, which starts on January 17.

"We've still got a few charter flights coming in until the end of this week and then all the players will be here," he told the Nine Network.

"As far as the status relates to Novak, I think we'll have a much clearer picture in the coming days otherwise it's getting pretty late to show up and play the Australian Open."

He added: "There's quite a bit to play out and I think it will play out in the coming days."

Djokovic has won the Australian Open men's singles title a record nine times and beat Daniil Medvedev in the 2021 final. 

World number one Novak Djokovic has withdrawn from the ATP Cup in Sydney amid ongoing uncertainty over his title defence at next month's Australian Open.

Djokovic has not yet confirmed his place at January's Grand Slam due to the COVID-19 mandate in Victoria.

The 34-year-old's father, Srdjan, has previously said that the nine-time Australian Open champion is unlikely to feature in Melbourne unless vaccination rules are relaxed.

World number 33 Dusan Lajovic will now lead the Serbia team at the ATP Cup.

Meanwhile, Austria have been replaced by France at the event following the withdrawals of Dominic Thiem and Dennis Novak. The French will be led by world number 35 Ugo Humbert, alongside Arthur Rinderknech, Edouard Roger-Vasselin and Fabrice Martin.

Russia's Andrey Rublev, Aslan Karatsev and Evgeny Donskoy have withdrawn, with Evgeny Karlovskiy joining the team, while Team USA's Austin Krajicek has also pulled out.

The ATP Cup will begin on New Year's Day at both Ken Rosewall Arena and Qudos Bank Arena, Sydney Olympic Park.

Dominic Thiem has withdrawn from next month's Australian Open.

Thiem has not played on the ATP Tour since suffering a wrist injury at the Mallorca Championships in June.

The 2020 US Open champion was due to feature in the Mubadala World Tennis Championship in Abu Dhabi this month, but withdrew after suffering a setback.

Thiem on Tuesday revealed his wrist is in "optimal condition", but the Austrian will miss the first grand slam of the year at Melbourne Park and will instead make his comeback at the Cordoba Open next month.

The Austrian tweeted: "As you all know, I came back home to Austria to recover after hard practice sessions I had in Dubai and the slight setback in my preparation. I am now feeling well again, my wrist is in optimal condition and I am practicing normally with a very good intensity.

"After my short holidays, my team and I have assessed all matters and we have decided to make some changes to my initial tournament schedule.

"I will start the season in South America at the Cordoba Open in Argentina, end of January, and therefore I will not play this year at the Australian Open in Melbourne, a city that I love and where I have great memories of unforgettable matches in front of amazing crowds. I will miss the Australian fans but I will be back in 2023.

"We believe this is the right decision in order to have a good return to competition. For the moment I will remain in Austria for a few more days and then head to practice outdoors and get ready for my first event of the season."

The 28-year-old was a runner-up in the 2020 Australian Open before going on to claim his first major title at Flushing Meadows.

Alexander Zverev believes he will form a big three with Novak Djokovic and Daniil Medvedev in 2022 but hopes he will not get the chance to become world number one at the Australian Open.

The German is knocking on the door near the top of the rankings after a fine year that saw him win six titles, including the season-ending ATP Finals in Turin and an Olympic gold medal in Tokyo.

Zverev, currently ranked third, could go top of the rankings if he wins the Australian Open, which starts next month, but that is only possible if current world number one Djokovic does not play.

And Zverev is hopeful the Serbian will take part despite continued uncertainty over his participation in the tournament amid intense debate over his COVID-19 vaccine stance.

Djokovic, a nine-time Australian Open winner, is yet to disclose his vaccination status.

Tournament chief Craig Tiley said this week he is still hoping to see the tour's top player participate if he meets the required conditions, which are either being vaccinated or having a medical exemption.

"The situation with Novak and Australia is still a big question mark," Zverev said in a podcast appearance with Eurosport Germany. 

"Of course, I hope that he will be allowed to play, that is very clear.

"There are thousands of mathematical calculations, if he doesn't play Australia and I win the Australian Open, then I'm number one in the world and so on and so forth.

"At the end of the day, now is not the time to think about [being world number one]. Now is the time to prepare as best as you can so you're physically able to play for it."

As well as his silverware, Zverev made the last four of the French Open and US Open, and the 24-year-old believes his experience has begun to come to the fore.

Zverev had a 59-15 record this season and recorded at least one victory against every other player inside the top 10 of the ATP year-end rankings.

"I've become much calmer and I'm also getting older," he added.

"I'm not 18 or 19 anymore. I understand maybe a bit more things about life and understand that you just have to keep calm in important situations. That has had its effect on me this year.

"I think next year could be very similar to the last six months from this year.

"Before, there used to be always talk about Rafael Nadal, Roger Federer and Novak Djokovic – now the big titles were the Olympics, US Open, Turin and Wimbledon, and they were all won by Medvedev, Djokovic and me. 

"I don't expect it to be any different next year."

Alexander Zverev believes he will form a big three with Novak Djokovic and Daniil Medvedev in 2022 but hopes he will not get the chance to become world number one at the Australian Open.

The German is knocking on the door near the top of the rankings after a fine year that saw him win six titles, including the season-ending ATP Finals in Turin and an Olympic gold medal in Tokyo.

Zverev, currently ranked third, could go top of the rankings if he wins the Australian Open, which starts next month, but that is only possible if current world number one Djokovic does not play.

And Zverev is hopeful the Serbian will take part despite continued uncertainty over his participation in the tournament amid intense debate over his COVID-19 vaccine stance.

Djokovic, a nine-time Australian Open winner, is yet to disclose his vaccination status.

Tournament chief Craig Tiley said this week he is still hoping to see the tour's top player participate if he meets the required conditions, which are either being vaccinated or having a medical exemption.

"The situation with Novak and Australia is still a big question mark," Zverev said in a podcast appearance with Eurosport Germany. 

"Of course, I hope that he will be allowed to play, that is very clear.

"There are thousands of mathematical calculations, if he doesn't play Australia and I win the Australian Open, then I'm number one in the world and so on and so forth.

"At the end of the day, now is not the time to think about [being world number one]. Now is the time to prepare as best as you can so you're physically able to play for it."

As well as his silverware, Zverev made the last four of the French Open and US Open, and the 24-year-old believes his experience has begun to come to the fore.

Zverev had a 59-15 record this season and recorded at least one victory against every other player inside the top 10 of the ATP year-end rankings.

"I've become much calmer and I'm also getting older," he added.

"I'm not 18 or 19 anymore. I understand maybe a bit more things about life and understand that you just have to keep calm in important situations. That has had its effect on me this year.

"I think next year could be very similar to the last six months from this year.

"Before, there used to be always talk about Rafael Nadal, Roger Federer and Novak Djokovic – now the big titles were the Olympics, US Open, Turin and Wimbledon, and they were all won by Medvedev, Djokovic and me. 

"I don't expect it to be any different next year."

Australian Open chief Craig Tiley wants Novak Djokovic to participate in Melbourne but will not ask the world number one to disclose any medical reason he has for being unvaccinated against COVID-19.

The first grand slam of 2022 begins on January 17, but it is unclear if reigning champion Djokovic will be competing.

The Serbian, a nine-time Australian Open winner, is yet to disclose his vaccination status.

Following guidance from the Victoria state government, all players, staff and spectators at Melbourne Park must have been fully vaccinated against coronavirus or hold a medical exemption.

Djokovic has been named on the list for the draw and is also due to represent Serbia at the ATP Cup in Sydney, which runs from January 1 to 9.

"If Novak shows up, he'll be vaccinated or have a medical exemption," Australian Open chief executive Tiley told the Australian Associated Press.

"If any player, fan [or] workforce is on site here, you're either vaccinated or you have a medical exemption that's approved and you're on the Australian Immunisation Register.

"That provides us with safety and an extra level of comfort on site.

"We want to have the best players here; I'd love to have Novak here. If he meets those conditions then great, if not, it's disappointing."

Tiley added he does not expect Djokovic to reveal any medical reason for which he may not have received the vaccine, should he receive a medical exemption to feature in the tournament.

"Medically, he doesn't talk to anyone about it. I'm not going to ask Novak that, it's none of my business," Tiley continued.

"[It's] his choice on his medical condition, it's his choice to keep personal and private like all of us would do with any condition we may or may not have. We are not going to force him or ask him to disclose that.

"[If he is here] I will know that he fulfils one of those conditions."

Rafael Nadal is set to play in Melbourne, though that is in doubt after the Spaniard tested positive for COVID-19 this week, following his appearance at the Mubadala World Tennis Championship in Dubai.

Tiley, however, believes Nadal will have recovered in time.

"I'm confident Rafa will be here," said Tiley. "Players that are testing positive now will complete a period of time until they are no longer infectious and they will be fine.

"If you are going to test positive and you want to play the Australian Open, your timing would be now."

World number four Karolina Pliskova has withdrawn from the upcoming Australian Open, succumbing to a hand injury.

Pliskova – a two-time grand slam runner-up and 2019 Australian Open semi-finalist – hurt her hand in a practice session.

The 16-time WTA Tour champion will miss the main draw of the year's opening slam event, which gets underway on January 17, for the first time since failing to progress beyond qualifying in 2012.

"Unfortunately I hurt my right hand in practice yesterday and I won't be able to play in Adelaide, Sydney and Australian Open this year," Czech star Pliskova said.

"I am sad not being able to start my season in Australia and I will miss my Australian fans very much."

Australian Open officials also confirmed Pliskova's absence on Thursday.

"You will be missed, @KaPliskova. Wishing you a speedy recovery," the Australian Open wrote via social media.

Pliskova lost in the Australian Open third round at Melbourne Park earlier this year before falling at the second hurdle at the French Open.

The 29-year-old then reached the Wimbledon decider, trumped by world number one Ash Barty, followed by a quarter-final appearance at the US Open.

Spanish tennis great Manolo Santana, a four-time grand slam winner, has died at the age of 83.

Santana won the US Open, Wimbledon and the French Open twice during the 1960s, during which time he spent a period as world number one.

He also won the men's singles tennis tournament at the 1968 Olympics, though it was not recognised as a medal event at the time, while also winning the French Open men's doubles in 1963 and the Davis Cup with Spain on three occasions.

Santana retired in 1977 and in more recent times was regularly seen watching countryman Nadal – the only Spaniard to have won more grand slam titles – from the stands.

Nadal led the tributes to Santana on Saturday with an emotional post on social media.

"I have just received the terrible news of the death of our great Manolo Santana," he wrote on his official Instagram account.

"As I have said many times in the past: thank you very much for what you did for our country and for leading the way for so many. 

"You have always been a reference, a friend and a person close to everyone.

"We will miss you Manolo; you will always be unique and special. Greetings to your family and a lot of strength at this time. We will never forget you."

Rafael Nadal is set to start his 2022 season at the Melbourne ATP 250 ahead of the Australian Open.

Nadal this week appeared on the entry list for the first grand slam of the year, which begins on January 17.

The Spaniard has not featured on the ATP Tour since August, when he lost against Lloyd Harris at the Citi Open in Washington D.C.

But Nadal is going to be back into the swing of things in the next month. The Melbourne 250 starts on January 4 and will serve as a warm-up for the Australian Open.

Gael Monfils is headlining the ATP 250 event in Adelaide during the same week, while Novak Djokovic – whose participation at the Australian Open is as of yet unclear, although he is also listed for entry – is set to lead Serbia at the ATP Cup in Sydney. 

Djokovic has not yet revealed his COVID-19 vaccination status. If he is not fully vaccinated, the 34-year-old may not be able to compete in Melbourne, barring a medical exemption.

Nadal has dropped down to world number six after another injury-hit season, in which he won two titles, triumphing in Barcelona and Rome.

He has only won the Australian Open once, in 2009, but has since been beaten four times in the final, in 2012, 2014, 2017 and 2019.

Since the start of the 2020 season, Nadal has played in four finals, winning them all, including last year's delayed French Open.