Top seed Alexander Zverev returned to winning ways after a surprise fourth-round Australian Open exit when he won his first match at the Open Sud de France on Thursday.

The German world number three was bounced out at Melbourne Park by Denis Shapovalov in straight sets, but he navigated his way safely past Mackenzie McDonald to reach the quarter-finals in Montpellier.

A largely dominant Zverev won 6-2 7-6 (7-5) to set up a clash with Adrian Mannarino in the last eight, and the 24-year-old highlighted how important he felt it was to quickly get back in the swing of things after disappointment in Melbourne.

"I'm going to give myself the best chance to do well in this tournament. But obviously, I'm happy to be back here," he said of the tournament he won in 2017.

"This is a place I really enjoy coming back [to]. After the Australian Open that I had, I wanted to play tournaments before my scheduled tournaments in Acapulco, Indian Wells and Miami. I said Montpellier is the perfect fit for that, and I'm happy to be here."

The same cannot be said for Gael Monfils, who suffered a crushing 6-1 6-2 defeat to Mikael Ymer on home soil.

The Swede was practically flawless throughout, winning a whopping 83 per cent of points on first serve and 89 per cent on second, with Monfils never even sniffing out a single opportunity to break back.

Richard Gasquet is a force to be reckoned with in Montpellier and reached another quarter-final, seeing off South Korean's Kwon Soon-woo 7-5 6-4.

Frenchman Gasquet reached six consecutive finals in Montpellier while in his prime years, being crowned champion in 2013, 2015 and 2016, and finishing runner-up in 2014, 2017 and 2018. Now 35, his last quarter-final appearance in an ATP main tour event came in August at Winston-Salem.

Gasquet's fellow Frenchman Mannarino sank the hopes of defending champion David Goffin, scoring a sparkling 6-4 6-2 victory.

Fourth seed Nikoloz Basilashvili, who lost twice to Andy Murray in Australia last month, this time fell to world number 152 Damir Dzumhur of Bosnia-Herzegovina, sliding to a 6-1 5-7 6-2 defeat. Basilashvili, the world number 21, now has a record of played five, lost five, for the 2022 season.

At the Tata Open Maharashtra in Pune, there was a surprise defeat for Russian top seed Aslan Karatsev. Karatsev won a title in Sydney last month before losing to Mannarino in the third round of the Australian Open, and in his first match since that disappointment he slumped 6-2 7-6 (7-3) to Swedish qualifier Elias Ymer.

Three seeds joined Ymer in the quarter-finals, with Jiri Vesely, Emil Ruusuvuori and Stefano Travaglia all making smooth progress without dropping a set. Vesely faces Ruusuvuori on Friday, while Travaglia awaits Ymer.

Rafael Nadal and Roger Federer will combine for Team Europe in this year's Laver Cup.

Nadal became the record holder for men's singles grand slam titles on Sunday, as he came from two sets down to beat Daniil Medvedev in the final of the Australian Open.

Federer, who like Novak Djokovic has 20 grand slam titles to his name, has not featured since losing to Hubert Hurkacz in the quarter-finals at Wimbledon last year.

The Swiss star is recovering from a knee injury and chose to sit out the season's first major in Melbourne.

However, injury permitting, the great rivals will team up to represent Team Europe in London in September.

Europe have won the last four editions of the tournament, though neither Nadal nor Federer featured in 2021.

"The Laver Cup is such a unique event and I've loved competing in it," said Nadal, who has played in the competition on two occasions previously.

"I suggested to Roger we should play doubles together in London and he seems keen, so now we just need to persuade our captain Bjorn [Borg].

"Roger has been a huge part of my career, a big rival and also a true friend. To be part of Team Europe together is great and if we're able to possibly share the court one more time as a doubles pairing then this would be a truly special experience for us both at this stage in our careers."

Federer added: "I'm really looking forward to getting back into competition later this year and Laver Cup is very much part of my plan.

"It's no secret that I love the event and I'm super excited to be returning to The O2 and to London, one of the greatest cities in the world.

"Rafa is an incredible person and an inspiration to me and countless others around the world. He messaged me on social media after the Laver Cup in Boston last year suggesting we play doubles in London and I am definitely up for a Laver Cup 'Fedal' comeback!"

Federer and Nadal have only teamed up for a doubles match once before – in the inaugural Laver Cup back in 2017.

They beat American duo Jack Sock and Sam Querrey in three sets.

Daniil Medvedev and Jannik Sinner have been replaced by Andy Murray and Jo-Wilfried Tsonga in the upcoming Rotterdam Open.

World number two Medvedev lost a thrilling five-set Australian Open final to Rafael Nadal on Sunday and does not feel ready to compete in the Netherlands.

The Russian explained his decision in a statement on Thursday, while Sinner has had to pull out due to COVID-19.

"Unfortunately I will not play in Rotterdam this year," Medvedev said. 

"I just got back from Australia and am not ready to compete. Rotterdam is one of the favourite stops. I look forward to coming back in the future."

Roberto Bautista Agut and Borna Coric had already pulled out of the competition. Tournament director Richard Krajicek has confirmed that Murray and Tsonga, who won the event in 2009 and 2017 respectively, will now take part as wild cards.

Andrey Rublev is the reigning champion in Rotterdam after beating Marton Fucsovics in last year's final.

Top seed Diego Schwartzman cruised into the quarter-finals of the Cordoba Open after a straight-sets win over countryman Juan Pablo Ficovich on Wednesday.

World number 14 Schwartzman triumphed 6-3 6-2, converting three of five break points to win in one hour and 10 minutes.

Schwartzman will face Colombian lucky loser Daniel Elahi Galan who progressed with a 6-2 3-6 6-1 victory over Jaume Munar.

Eighth seed Pedro Martinez was eliminated by Argentina wildcard Juan Ignacio Londero 6-3 7-6 (7-3).

Londero will face Serbian Nikola Milojevic, another lucky loser, who got past wild card Tomas Martin Etcheverry 6-3 7-6 (7-4).

Roger Federer still has the drive to return to the ATP Tour but is yet to run and is still months away in his recovery from a third knee operation.

The 40-year-old 20-time grand slam winner missed last month's Australian Open after a knee operation in August.

Federer has not played since a quarter-final loss to Hubert Hurkacz at Wimbledon last year and previously said he would be "incredibly surprised" if he was fit to play at the event in 2022.

"It's a very important next few months ahead of me," Federer said at a sponsor's event on Wednesday. "I'll know a whole lot more in April what my body is going to be like.

"Up until now I was not able to run yet and do the heavy workload. I hope that starts in the next couple of weeks and then we'll see how my body reacts.

"For now, the drive is there. I'm really motivated to do my work and what I'm allowed to do. I'd love to do way more, but the doctors are holding me back a bit."

The eight-time Wimbledon champion elaborated on his recovery, revealing he hopes to put weight on his knee again in the coming weeks.

"I can still not run. But I'm working daily in the gym," Federer said. "I really hope that I can put weight on my knee again in two to three weeks. Then we'll see how the body reacts so we can hit the ball again in April or May."

He added: "Of course I wish that everything could go quicker. But the doctors don't want me to overdo everything."

Alexander Bublik moved into the quarter-finals of the Open Sud de France as he continues to put a poor Australian Open behind him.

Bublik is seeded sixth in Montpellier but is coming off a second-round exit at the hands of Gael Monfils in Melbourne.

However, the world number 35 moved into the last eight on Wednesday, though he needed three sets to do so against Pierre-Hugues Herbert, the qualifier taking the second set to force a decider.

Bublik claimed a 6-3 6-7 (2-7) 6-2 win and will face Roberto Bautista Agut in the quarters. 

Bautista Agut claimed the first set against Gilles Simon 6-4 and was 3-2 up in the second when the Frenchman retired injured. 

Besides Filip Krajinovic's 6-4 7-6 (7-2) defeat of Jo-Wilfried Tsonga, the rest of the day's action comprised of round of 32 matchups. Seventh seed Ugo Humbert crashed out in three sets to four-time champion Richard Gasquet, while Adrian Mannarino and Mackenzie McDonald both prevailed.

Meanwhile, at the Tata Open Maharashtra, Lorenzo Musetti claimed his first win of 2022 following an impressive 2021.

The 19-year-old, who progressed to the last 16 at Roland Garros last year, fought back from losing the first-set tie-break to defeat Aleksandar Vukic in three sets.

"Aleksandar was playing good, he was serving really big, and I tried to stay calm even in the second set, [which] I didn't win. It didn't go the way that I planned. But the third set was a really great set," Musetti said.

"I stayed really focused with the right attitude and I won a great match with a tough opponent. I'm really happy to be here and to be in the quarter-finals."

Also victorious in Pune were Joao Sousa, Daniel Altmaier and Kamil Majchrzak, whom Musetti will face next.

Rafael Nadal is motivated to win more grand slams than rivals Roger Federer and Novak Djokovic come the end of the trio's careers, but he believes he will need more than 21 to achieve that.

Spaniard Nadal sealed a record 21st grand slam title on Sunday at the Australian Open, beating Daniil Medvedev 2-6 6-7 (5-7) 6-4 6-4 7-5 in a marathon five hours and 24 minutes.

It was only the second Australian Open title of Nadal's decorated career and put him out ahead of Djokovic and Federer (both 20) as the man to have won the most grand slams of all time.

Nadal worried his career was over just a matter of weeks ago as he struggled to recover from the foot injury that has affected a large part of his career.

He abandoned a stop-start 2021 season in August and missed Wimbledon, the Olympics and the US Open, leaving many to wonder if Nadal would ever be a force at the top level again.

Now, the 35-year-old is the man to beat once more, although he suspects he will need to add more major titles to his name to ensure he is ahead of his two great rivals when their careers are over.

"A short time ago I would have accepted just being able to just play tennis and not to win any more grand slams, but now I have 21," he told a media conference. 

"My way of seeing it doesn't change. I want to be the one with more grand slams at the end of the careers of the three of us, because nowadays it is the three of us. Yes, I would like that, but I am not obsessed by it and it does not frustrate me that I might not be the one. 

"Honestly, I don't think that 21 will be enough to end up being who has more grand slams, but the future will tell what will happen. Again, I feel fortunate in this life.

"All three of us have won more than we could have dreamed when we were kids. I understand the debate of who is the best, and it feeds the fans, but I don't think about it like that. As always, I try to do it my way and not focus on others.

"I follow my way and if that allows me to have options to fight in order to have more moments like the ones I've just had, it will be welcome. I will fight for it and I hope to keep having chances if my physical condition allows me."

Nadal's focus now turns to the Indian Wells Masters, which starts on March 10, with it appearing unlikely he will play in Acapulco a fortnight earlier. 

"My first priority is to try to analyse how I am after the Australian Open," he added. "I need a few days and then I will analyse things with calm and clarity. 

"For Indian Wells, I would say I have the maximum determination to go if there isn't any setbacks. For Acapulco, I would like to be there but I have to make a smart choice. The perspective has changed and I do have to take decisions according to what my body allows me."

Fifth seed Federico Delbonis was bundled out of the Cordoba Open after a shock straight-sets defeat to Carlos Taberner on Tuesday.

The 31-year-old Argentine, who is currently ranked 41st in the world, went down 6-4 6-2 to the 111th-ranked Spaniard.

Former top 10 player Fernando Verdasco was also beaten on Tuesday, going down to Argentine Sebastian Baez 7-6 (8-6) 7-5.

The 38-year-old Spaniard dropped out of the top 100 last year for the first time since 2004 after a difficult season with a long-term leg injury and COVID-19 prior to the French Open.

Baez will play Chilean third seed Cristian Garin in the second round, while Taberner will meet qualifier Alejandro Tabilo after he beat wild card Francisco Cerundolo 6-4 6-1.

Lucky loser Colombian Daniel Galan also progressed into the last 32 after a 7-5 6-3 victory over Bolivian Hugo Dellien, while sixth seed Albert Ramos-Vinolas triumphed 6-4 6-3 over Andrej Martin.

Jo-Wilfried Tsonga savoured a "fantastic" win as the veteran Frenchman showed in Montpellier there might still be life left in his career.

Ranked 259th by the ATP after two injury-blighted years, the former world number five scored his first main-tour singles victory since last March in Marseille as he beat Poland's Kacper Zuk at the Open Sud de France on Tuesday.

Tsonga battled for a 6-4 6-4 victory in the first round, and the 36-year-old, who has battled back and leg problems, said: "It's just amazing for me to be here on the court playing.

"For me, the goal is to have fun again, to find a level where I can beat great players again."

The former Australian Open runner-up competed last week at a Challenger Tour event, while the first grand slam of the year was carrying on without him in Melbourne.

He abandoned his 2021 campaign after a first-round loss at Wimbledon, where he was beaten in five sets by Sweden's Mikael Ymer.

Quoted on the ATP website after his return to winning ways, Tsonga said: "I had a few difficult months and to win like this for one of my first matches of the year, it's just fantastic for me.

"You cannot do it without the people around you. I have the chance to have very good people around me, and it gave me the opportunity to live some moments like this."

Qualifier Gilles Simon saw off wildcard Lucas Pouille 7-6 (7-4) 5-7 6-4 in a battle of two French compatriots of Tsonga who are both fellow former top-10 tour stars.

Other winners on Tuesday in Montpellier included Serbian Filip Krajinovic, who will face Tsonga on Wednesday, plus Ymer and France's Pierre-Hugues Herbert.

At the Tata Open Maharashtra, staged in the Indian city of Pune, seeds Emil Ruusuvuori and Stefano Travaglia both came through their opening tests. Ruusuvuori beat Egor Gerasimov 6-0 7-6 (13-11), while Travaglia was pushed hard by India's Ramkumar Ramanathan, eventually scraping through 7-6 (9-7) 4-6 6-3.

Defending Open Sud de France champion David Goffin rallied from losing the first set to defeat Benjamin Bonzi in Monday's first-round match.

Eighth seed Goffin, ranked at world number 52, prevailed 2-6 7-5 6-1 in Montpellier against the Frenchman.

It looked bleak for Goffin when Bonzi raced into a 3-0 lead in the second set, yet the Belgian reeled off three successive games to get himself back in the fight before snatching a crucial break to make it 6-5, and he did not look back from there.

"During the match I stayed positive even though I was one set and one break down," Goffin said.

"I tried to stay focussed, to stay as long as possible on the court to try to get some confidence, to work on certain things: to be more aggressive, [hit] a better quality of ball.

"At the end it was better and better, so I'm really happy the way I played at the end of the second and in the third."

Next up for Goffin is a tie with Spain's Alejandro Davidovich Fokina, or another Frenchman in the form of Adrian Mannarino, who lost to eventual Australian Open winner Rafael Nadal in Melbourne last month.

Monday's other match saw sixth seed Alexander Bublik defeat Tallon Griekspoor 7-6 (7-4) 7-6 (7-5).

Yuki Bhambri was the story at the Tata Open Maharashtra, as the Indian claimed a first tour-level match win in almost four years, beating Jozef Kovalik 6-7 (10-12) 6-2 7-5.

Bhambri, ranked at 863 in the world, had only played two singles matches on the ATP Tour since 2019 due to a knee injury and had last beat Mirza Basic in Miami in 2018.

"It is a privilege to play at home and it is an important win as well playing at my home tournament," he said. "Each match is tough at tour-level so I am just taking it one match at a time."

Radu Albot beat Federico Gaio in straight sets, while seventh seed Ricardas Berankis was shocked by Quentin Halys and Daniel Altmaier also progressed.

Dominic Thiem was forced to delay his comeback as he withdrew from the Cordoba Open due to injury.

The former world number three has not played on the ATP Tour since damaging his wrist in Mallorca last June but was due to face Tomas Martin Etcheverry or Nicolas Jarry in Argentina.

However, the 2020 US Open champion confirmed on Monday: "In the last days, I suffered a minor injury between my knuckles, a little strain of my ligament.

"The positive thing is the wrist is perfectly fine, but I'm suffering pain in my hand and also lacking practice, so I have to pull out.

"I'm very sad, but I'm going to come back once I'm 100 per cent fit, and thank you so much for the great and warm welcome I had here in Cordoba."

Thiem's withdrawal makes for a potentially simpler quarter-final draw for Pedro Martinez, who came through a marathon contest on Monday against Thiago Monteiro.

The eighth seed, who will next face Juan Ignacio Londero, won 4-6 6-4 7-6 (7-4) in a match lasting just under three hours.

There was an even longer battle between Juan Pablo Varillas and home favourite Facundo Bagnis, who was defeated 6-4 5-7 7-6 (7-5) after three hours and 17 minutes on court. Varillas will play Albert Ramos-Vinolas or Andrej Martin in the next round.

Jaume Munar also sealed his progress, defeating Benoit Paire in straight sets. 

Rafael Nadal remains adamant he is not playing the numbers game as he navigates the twilight years of his career, but a record 21st grand slam title still felt "very special" to the Spaniard.

As he put it himself, what was perhaps the most unexpected major of his career was also one of the most emotional.

"That means everything for me," said Nadal, after the 35-year-old wrestled with Daniil Medvedev for five hours and 24 minutes on Rod Laver Arena, roaring back from two sets adrift to earn a 2-6 6-7 (5-7) 6-4 6-4 7-5 epic victory.

Nadal worried his career was over just a matter of weeks ago, he said, as he struggled to recover from the foot injury that has affected a large part of his career.

He abandoned a stop-start 2021 season in August, and missed Wimbledon, the Olympics and the US Open, leaving many to wonder if Nadal would ever be a force at the top level again.

At the age of 35, he is suddenly the man to beat again, having moved ahead of Novak Djokovic and Roger Federer on the list of the most successful men's singles players in grand slam history.

They both have 20, and Nadal now has 21.

Federer, who at the age of 40 is battling to return from knee trouble, hailed Nadal as "a great champion" and "an inspiration", while Djokovic saluted an "amazing achievement".

If their social media posts came through gritted teeth, both would surely appreciate the resilience of their great Spanish rival, not just in this match but across his career. In turn, Nadal says he would have no qualms finishing behind either when their final career totals are totted up.

"I don't want to change my point of view, honestly," said Nadal, who began his post-final news conference at 02:42 on Monday morning in Melbourne.

"For me it's amazing to achieve another grand slam at this moment of my career. It just means a lot to me. Of course, I know it's a special number, 21. I know what it means. It's a big significance this title."

Nadal says what matters most is the enjoyment of the big moments, rather than whether he finishes first, second or third in the private rivalry he, Federer and Djokovic have been ducking out for years.

"Today is an unforgettable day," he said. "For the last six months, I really fought a lot to try to be back on court. There have been very, very tough moments and conversations, because you don't know if I'm going to have the chance to be back on the tour.

"I feel honoured. I feel lucky to achieve one more very special thing in my tennis career. I don't care much if I am the one or not the one or the best of history, not the best of the history.

"Honestly, today I don't care much. For me, it's about enjoying nights like today. That means everything for me."

This was Nadal's second Australian Open title, a full 13 years since he beat Federer in another five-set duel.

"It is the most unexpected, without a doubt," Nadal said. "And the most surprising I think for everyone. It has been a very emotional night. Even now I am destroyed, honestly, physically."

He said he was too tried to celebrate, his body having taken a thrashing. In December, Nadal tested positive for COVID-19, adding a further complication before heading to Melbourne.

A warm-up event title put Nadal in a positive mindset heading into the Australian Open, but how the foot would hold up remained to be seen.

He said the injury is "difficult to fix, impossible really", but for now it is manageable. At one point during his recovery he said there had been "zero success" in getting to grips with the problem, saying it was "heartbreaking" at times.

"I just want to enjoy this moment," he said, back on top of the world, "and, of course, try to keep going."

Rafael Nadal was on the brink of another Australian Open final defeat before a remarkable turnaround against Daniil Medvedev.

Trailing by two sets to love, Nadal found himself staring at three break points midway through the third set on Rod Laver Arena.

But he recovered and stepped up his game, clinching a record-breaking 21st grand slam title with a 2-6 6-7 (5-7) 6-4 6-4 7-5 victory over Medvedev in an enthralling encounter that lasted five hours and 24 minutes.

Medvedev had his chances, but the US Open champion suffered his third defeat in four major finals.

Stats Perform looks at some of the key moments.

Nadal serving at 2-6 6-7 (5-7) 2-3

Medvedev looked on his way to a deserved and resounding win when Nadal – who had lost four Australian Open finals previously – found himself in a 0-40 hole.

But a drop shot winner from Nadal was followed by a long Medvedev backhand, with the Russian trying a drop shot that the Spaniard returned too well on his final break point chance. It would prove a decisive hold for Nadal.

"Yeah, that was a good moment when I had the triple break point," Medvedev said afterwards. "Actually, I don't remember all of them in detail, but I remember that all of three returns I made it in. I just got a little bit tight. But, again, that's tennis. I should have done better. I should have hit a winner. I maybe would have won the match.

"Tactically nothing changed. I feel like I was playing right. But Rafa stepped up. The only thing that physically was a little bit up and down, and yeah, he was I think stronger than me physically today. Starting from the third set, there were some shots and points where I was a little bit on the back foot, let's call it like this. And Rafa takes control of these moments.

"But again, yeah, I have to work harder."

Medvedev serving at 6-2 7-6 (7-5) 4-4

The vocal and enthusiastic crowd was beginning to impact Medvedev, and Nadal's level was improving.

A long forehand at 15-15 was followed by an inexplicable overhead drop shot attempt by Medvedev that hit the net, leading to sarcastic clapping of the crowd.

Nadal clinched the break with a wonderful backhand winner down the line.

Medvedev serving at 6-2 7-6 (7-5) 4-6 2-2

Medvedev had already recovered from being a break down in the fourth set when Nadal struck again after a lengthy fifth game.

An excellent return saw Medvedev net a backhand and Nadal converted his seventh break point of the game with a backhand cross-court passing shot winner.

Medvedev serving at 6-2 7-6 (7-5) 4-6 4-6 5-5

Medvedev had stopped Nadal's momentum in the previous game when the Spaniard was attempting to serve out the match.

But Nadal broke again when Medvedev pulled a backhand wide before sending a forehand long.

Nadal serving at 2-6 6-7 (5-7) 6-4 6-4 6-5

Nadal was never going to let a second chance go begging.

Medvedev put a running forehand into the net and a backhand return long before an ace from Nadal set up three championship points.

He only needed one, making a backhand volley to become the first player in the Open Era to win an Australian Open final from two sets to love down.

Daniil Medvedev revealed defeat to record-breaker Rafael Nadal in the Australian Open final had crushed his tennis dreams, accusing the Melbourne crowd of being "disrespectful" and claiming he gets rough treatment because he is Russian.

After delivering an unexpected monologue at the beginning of his post-match news conference, that Medvedev described as the "story of a young kid who dreamed about big things in tennis", the 25-year-old questioned whether he would feel wanted enough to play on beyond the age of 30.

He spoke of various highs and lows in the early years of his career, before making it clear he included his fourth grand slam final appearance on Sunday in the list of letdowns, but not purely because of the result.

"I'm talking about a few moments where the kid stopped dreaming, and today was one of them, and I'm not going to really tell why," Medvedev said.

"So from today I'm playing for myself, for my family, to provide my family, for people that trust in me; of course for all the Russians, because I feel a lot of support there.

"If there is a tournament on hardcourts in Moscow before Roland Garros or Wimbledon, I'm going to go there even if I miss Wimbledon or Roland Garros or whatever.

"The kid's stopped dreaming, the kid's going to play for himself, and that's it, that's my story, thanks for listening guys."

Despite saying he would not discuss his initial statement, he was easily persuaded to expand on his points.

Medvedev said Nadal, who came from two sets down to beat the US Open champion, had been "unreal", as the Spaniard won a 21st grand slam title, moving ahead of Roger Federer and Novak Djokovic. And Medvedev also said he had no major regrets about his own performance, although he must wonder how he failed to close this one out.

He then expanded on his gripe by confirming it was the crowd's response to him that had left him upset and disenchanted, saying almost all the support was behind Nadal.

"Before Rafa serves even in the fifth set, there would be somebody, and I would even be surprised, like one guy screaming, 'C'mon, Daniil'. A thousand people would be like, 'Tsss, tsss, tsss'. That sound. Before my serve, I didn't hear it," Medvedev said.

"It's disappointing. It's disrespectful, it's disappointing. I'm not sure after 30 years I'm going to want to play tennis.

"It depends what people around me are going to tell me, but the kid that truly was dreaming is not any more in me after today. It will be tougher to continue tennis when it's like this."

He spoke about facing the 'Big Three' – Djokovic, Federer and Nadal – during recent seasons.

"Every time I stepped on the court in these big matches, I really didn't see much people who wanted me to win," he said. "It's cumulative, but today was like the top of the mountain.

"I think nationality plays a key. I can definitely see when you are playing somebody from the other country, they would go for them and not for the Russian or something like this."

Roger Federer and Novak Djokovic each paid tribute to Rafael Nadal after he passed the pair with his 21st grand slam title at the Australian Open.

Nadal set a new men's singles benchmark, breaking a three-way tie with Federer and Djokovic on 20 triumphs, as he battled back against Daniil Medvedev.

The Spaniard, whose career had appeared to be in some doubt last year due to injury, fought for over five hours to recover from two sets down in Sunday's epic final.

Federer, through injury, and Djokovic, deported amid coronavirus controversy, were both absent in Melbourne, although they have previously let slip respective opportunities to move to 21 titles.

Both therefore recognised the scale of Nadal's achievement as they took to social media.

"What a match! To my friend and great rival @rafaelnadal, heartfelt congratulations on becoming the first man to win 21 grand slam singles titles," Federer wrote on his Instagram story.

"A few months ago we were joking about both being on crutches. Amazing. Never underestimate a great champion.

"Your incredible work ethic, dedication and fighting spirit are an inspiration to me and countless others around the world.

"I am proud to share this era with you and honoured to play a role in pushing you to achieve more, as you have done for me for the past 18 years.

"I am sure you have more achievements ahead but for now enjoy this one!"

Djokovic, posting for the first time since the tournament started in his absence, said on Twitter: "There has been some outstanding tennis played at this year's #AusOpen and the finals were exceptional.

"Congratulations to @ashbarty for an amazing performance in front of her home crowd and to Danielle Collins for an incredible tournament.

"Congratulations to @RafaelNadal for 21st GS. Amazing achievement. Always impressive fighting spirit that prevailed another time. Enhorabuena.

"@Medwed33 gave it his all out there and played with the passion and determination we have come to expect from him."