Novak Djokovic continued his dominance of Milos Raonic at the Australian Open on Tuesday.

Raonic became the fourth player to suffer 10 losses to Djokovic without once beating the Serbian star after his defeat on Rod Laver Arena.

The Canadian joined Gael Monfils, Jeremy Chardy and Andreas Seppi on Djokovic's list of opponents he has well and truly dominated on the ATP Tour.

We take a look at the four's less-than-fantastic record.

 

GAEL MONFILS (0-16)

The exciting Frenchman has a game to beat most players, but clearly not Djokovic. Monfils has had his chance on every surface and fallen on every occasion. He did beat Djokovic when they met at a futures tournament in Italy in 2004 but, at ATP and grand slam level, it has been one-sided. Monfils has had his moments, with only eight of the 16 ending in straight sets, but he has never been able to get over the line, beginning at the 2005 US Open and more recently at this year's ATP Cup.

JEREMY CHARDY (0-13)

Another Frenchman, Chardy has been in an entirely one-sided match-up since 2009. Incredibly, all 13 of Djokovic's wins have come in straight sets, even when Chardy has been ranked as high as 25 at Wimbledon in 2013. Djokovic has been ranked in the top four in 12 of these matches and never had any problems against Chardy, who reached the Australian Open quarter-finals in 2013.

ANDREAS SEPPI (0-12)

Seppi has come close to upsetting Djokovic previously, but this is just another match-up that suits the 16-time grand slam champion. The Italian journeyman likes to sit behind the baseline, a position on the court from which few can match it with Djokovic. Since their first meeting in 2006, Djokovic has won nine of their 12 matches in straight sets and survived a gigantic scare in another. That came at the 2012 French Open, when Seppi won the first two sets before falling to the eventual runner-up.

MILOS RAONIC (0-10)

Raonic's biggest strength – his serve – may be a huge advantage in most matches, but rarely when he is taking on arguably the best returner in the sport's history. That has proven to be the case, although four of his 10 losses to Djokovic have come on clay. Since 2013, Raonic has lost eight of the meetings in straight sets, while eight of the 26 sets between them have gone to tie-breaks, seven of those won by Djokovic. Unlike some of the others on this list, the 29-year-old Canadian may get a chance to end the unwanted record.

Roger Federer saved seven match points against Tennys Sandgren, who will be left to rue missed chances in their Australian Open quarter-final.

Federer eventually overcame a leg injury and his American opponent 6-3 2-6 2-6 7-6 (10-8) 6-3 in three hours, 31 minutes on Rod Laver Arena.

But Sandgren squandered seven match points in the fourth set, including four in an extraordinary tie-break.

We take a closer look at the match points Federer saved.

First match point: Federer serving at 4-5, 40-AD in fourth set
With a second serve to play with, Sandgren gets into the point and a deep backhand is returned by Federer. But the American pulls the trigger too early with his next chance, sending a backhand into the net as he tries to go down the line.

Second match point: Federer serving at 4-5, 40-AD in fourth set
Another second serve to aim at, Sandgren gets into the point, but it is Federer dictating before the American sends a tame forehand wide.

Third match point: Federer serving at 4-5, 40-AD in fourth set
Sandgren manages to get into the point despite a good Federer serve down the middle before hitting the tape with a forehand from behind the baseline.

Fourth match point: Federer serving at 3-6 in fourth-set tie-break
Another Federer second serve, Sandgren controls the first part of the point from the baseline. However, he allows the Swiss great to work his way back into it before putting a backhand into the net as he tried to change direction by going down the line.

Fifth match point: Federer serving at 4-6 in fourth-set tie-break
Federer lands an excellent serve that Sandgren cannot return.

Sixth match point: Sandgren serving at 6-5 in fourth-set tie-break
Finally an opportunity on serve, Sandgren attacks but just cannot do enough with a backhand volley. He reaches for a forehand volley but Federer has an open court to play into to level the tie-break.

Seventh match point: Federer serving at 6-7 in fourth-set tie-break
Once again, Federer misses a first serve. They rally backhand-to-backhand as Sandgren shows good depth before Federer eventually changes the direction during a 19-shot point. But it is a slice that undoes Sandgren, whose return goes halfway up the net.

Roger Federer is hopeful over his injury sustained in the Australian Open quarter-final, labelling it "just pain and problems" after his epic win over Tennys Sandgren.

Federer saved seven match points in a thrilling 6-3 2-6 2-6 7-6 (10-8) 6-3 victory over Sandgren in Melbourne on Tuesday.

The 20-time grand slam champion took a medical timeout during the third set and later revealed his groin was troubling him.

Federer, 38, hopes the worry is minor ahead of a semi-final against either Novak Djokovic or Milos Raonic on Thursday.

"I don't know if you can call it an injury. It's just pain and problems. I need to figure it out now," the Swiss great told a news conference.

"But as it's not like in 18 hours, like you got a third round to play, semi-finals, you have an extra day, adrenaline, there's a lot of things. Two good nights of sleep, doctors, physios.

"Hopefully we'll find out that it's actually nothing bad, that it was just the groin that went really tight from playing a lot, who knows what, from nerves.

"I don't know. I'm hopeful. We'll find out tonight, tomorrow. The next day we'll see how it goes."

Federer has already spent 12 hours and 38 minutes on court, only winning his first two matches in straight sets and being pushed to five twice.

But despite his worries, the six-time champion in Melbourne still believes in his chances of success at the year's first grand slam.

"I mean, look, if I can get through a match like this, through a match like [John] Millman [in the third round], yeah, you do believe," said Federer, who also had treatment on his right hamstring before the final set.

"I only believe it once it's over, I shake the hand of the opponent, that it's over, that it's fine.

"So, yeah, I do always believe until it's actually over, never before."

Tennys Sandgren felt Roger Federer's "level picked up" during the match points he squandered in their epic Australian Open quarter-final.

Federer – battling injury – incredibly saved seven match points before claiming a 6-3 2-6 2-6 7-6 (10-8) 6-3 victory on Rod Laver Arena on Tuesday.

Sandgren was somewhat tentative and Federer gave nothing away during those decisive moments, with the 20-time grand slam champion coming from 6-3 down in the tie-break in the fourth set.

The American, left tired after a battle lasting three hours and 31 minutes, gave credit to Federer.

"I just tried to keep playing it, playing the tennis portion of it," Sandgren told a news conference.

"Like I said, it just seemed like his level picked up when his back was right up against the wall.

"He just wouldn't give me anything. Credit to him, for sure."

Sandgren only had one match point on his own serve, while four came after Federer missed first serves.

The world number 100, who was playing his second grand slam quarter-final, felt the missed opportunities were not as bad as they looked

"One on my serve. Really not that many. If I had, like, six on my serve, I'd be really p***** off," a smiling Sandgren said.

"One on my serve, and I think I made the first serve, he gave it a good stick on the forehand, which is not surprising either, yeah."

Roger Federer is still delivering, but it's all a little different.

After saving seven match points, Federer overcame Tennys Sandgren 6-3 2-6 2-6 7-6 (10-8) 6-3 in an epic Australian Open quarter-final on Tuesday.

It was often scrappy and at times workmanlike, but the Swiss great delivered once more – albeit in a different way – on the grand slam stage.

Federer is a 20-time grand slam champion whose last major success came in 2018 and has two fellow all-time greats standing in his way over and over again on the biggest stage.

So, battling a leg injury which seemed to improve as the match went on, he needed three hours, 31 minutes to beat the American world number 100.

He hit 56 unforced errors and now has 208 for the tournament at an average of 41.6 per match. He had what looked like a soft draw and has turned it into 12 hours, 38 minutes of time on court, including two huge comebacks in five-setters.

It is the first time in his illustrious career that Federer has not faced a top-40 opponent on his way to a grand slam semi-final. Steve Johnson (75), Filip Krajinovic (41), John Millman (47), Marton Fucsovics (67) and Sandgren (100) should not have caused him as many problems as they have.

At 38 and with Novak Djokovic and Rafael Nadal, 32 and 33 years old respectively, continually standing in his way, Federer is going to have to deliver in ways other than winning grand slams.

On a slow court and with Djokovic likely awaiting in the semi-finals, his Australian Open chances seem slim even though he is into the last four. Wimbledon is still shaping as his best hope of another grand slam, yet he has thrilled more so than anyone else at the year's first major.

After his win over Millman, when he came from 8-4 down in the match tie-break, Federer said: "I think if I do play tennis it's because of winning titles, trying to win as many matches as possible, enjoy myself out on court but also being in epic matches like this.

"It doesn't always have to be finals, I guess. As long as the crowds are into it, you have a great battle with an opponent who you really admire and respect, it's a good feeling.

"I'm happy I had that match. I hope I would feel the same way also if I would have lost, to be honest."

Crowds are always behind Federer and again it proved on Tuesday at Rod Laver Arena and, if entertainment is the objective, he – and Sandgren – well and truly delivered.

It wasn't vintage Federer, but so what?

Roger Federer was under no illusion that he survived a major scare when coming through his gruelling Australian Open quarter-final with Tennys Sandgren in five sets.

After winning the first set with little fuss, Federer began to struggle and lost the next two 6-2 to the American, requiring a medical timeout when 3-0 down in the third.

With his groin and leg causing Federer discomfort, he was on the brink of defeat in the fourth set, facing a total of seven match points.

But he showed remarkable resilience to fight back and level the contest, with a visibly frustrated Sandgren struggling to keep his emotions in check.

Federer closed out the match, taking the final set to clinch a 6-3 2-6 2-6 7-6 (10-8) 6-3 victory, but he claimed he did not deserve the victory given Sandgren outscored him in terms of aces, overall points and winners.

"You've got to get lucky sometimes, I'll tell you that," a jovial Federer said in his on-court interview. "In those seven match points you're not in control, it may not look that way.

"I don't know, I was just hoping that he wasn't going to smash the winner on that one point, and just keep the ball in play, and if he misses one or two, who knows what he's thinking about?

"Even that didn't really matter. I think he played his match, I got incredibly lucky and then as the match went on, I started to feel better again.

"All the pressure went away, and I started to play. Again, I got a little lucky with the breaks and served really well I think for most of the game, particularly at the end.

"I don't deserve this one, but I'm standing here and obviously very happy.

"I don't like calling the trainer, ever, because it's a sign of weakness and all that stuff, and I try not to show it. The best is when it's a groin [injury], so you go off court and no one knows what it is.

"I just said, 'I believe in miracles'. It could rain, there could be stuff [happening]. It [the injury] wasn't bad enough where I thought it was going to get worse, I was just stiff and tight – [I was thinking] 'let him finish me off in style', and he didn't do that, so I'm incredible lucky today, tonight… I don't even know what time it is."

The 20-time grand slam winner will face either Milos Raonic or defending champion Novak Djokovic in the semi-finals and, while the prospect of facing the latter when not 100 per cent fit is by no means kind, Federer is ready to embrace whatever happens after riding his luck.

"The draws are not getting easier, but I've got the rest of the day with nothing to do, the next day with nothing to do and then I'm playing at night. You do feel better in a couple of days and then you never know," he said.

"With these lucky escapes, you might play without any expectations anymore because you know you should already be skiing in Switzerland! I'm lucky to be here and might as well make the most of it."

Roger Federer produced an epic comeback in the Australian Open quarter-finals, saving seven match points in a win over Tennys Sandgren.

The 20-time grand slam champion appeared set for a shock loss in Melbourne, battling a leg injury from the third set onwards on Rod Laver Arena.

Instead, he delivered a spectacular comeback, reaching the semi-finals with a 6-3 2-6 2-6 7-6 (10-8) 6-3 victory that was special even by his standards across three hours, 31 minutes.

Federer saved seven match points in the fourth set, including coming from 6-3 down in the tie-break, having needed a medical timeout.

The 38-year-old moved into his 46th grand slam semi-final and became the oldest man to get into the last four at the Australian Open since Ken Rosewall in 1977.

After squandering five early break point chances, Federer took his sixth when Sandgren sent a backhand long in the sixth game.

While Federer closed out the opener, a flurry of errors saw him give up a break and fall 3-0 behind to begin the second.

Federer committed 15 unforced errors in the second set – eight from the backhand side – as Sandgren levelled the match.

The Swiss great's struggles continued into the third, broken in the second game when he sent a tame forehand into the net.

Sandgren came from 0-40 down in the third game of the set, during which a frustrated Federer was given an audible obscenity warning before receiving treatment off the court.

Struggling physically, Federer tried to hang in there before giving up the set with a backhand into the net.

Mixing his game up, Federer fought hard against a seemingly undistracted Sandgren in the fourth set before saving three match points in the 10th game as the American faltered.

Sandgren put two match point opportunities into the net and sent another wide before saving a break point to take a 6-5 lead.

In an extraordinary tie-break, Federer came from 6-3 down and saved four more match points to force a decider as the Rod Laver Arena crowd erupted.

Federer had his right hamstring treated before the fifth set and he appeared far more mobile as he took control of the contest.

A break for 4-2 set him up and he had no trouble closing it out, an unreturnable serve wrapping up the amazing comeback.

 

STATISTICAL BREAKDOWN 
Roger Federer [3] bt Tennys Sandgren 6-3 2-6 2-6 7-6 (10-8) 6-3

WINNERS/UNFORCED ERRORS  
Federer – 44/56
Sandgren – 73/53

ACES/DOUBLE FAULTS  
Federer – 5/3
Sandgren – 27/5

BREAK POINTS WON  
Federer – 2/13
Sandgren – 4/14

FIRST SERVE PERCENTAGE  
Federer – 65
Sandgren – 65

PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE  
Federer – 71/53
Sandgren – 79/45

TOTAL POINTS  
Federer – 160
Sandgren – 161

Rafael Nadal and Dominic Thiem reignite what is a growing rivalry with a quarter-final clash at the Australian Open on Wednesday.

Thiem is shaping as the successor to Nadal's crown at Roland Garros, where he has fallen to the Spaniard in two French Open finals.

The Austrian has enjoyed some success over Nadal previously and with the courts playing slow at Melbourne Park, this appears set to be a battle.

We take a closer look at Nadal's form ahead of the quarter-final showdown.

 

Form and results

Nadal needed a strong performance to overcome the dangerous Nick Kyrgios and he delivered on Rod Laver Arena. The world number one and 19-time grand slam champion hit 64 winners and just 27 unforced errors in an impressive display. While scratchy in a second-round win over Federico Delbonis, Nadal has been relatively untroubled otherwise in Melbourne.

R1: bt Dellien 6-2 6-3 6-0
R2: bt Delbonis 6-3 7-6 (7-4) 6-1
R3: bt Carreno Busta [27] 6-1 6-2 6-4
R4: bt Kyrgios [23] 6-3 3-6 7-6 (8-6) 7-6 (7-4)

Next up

His toughest test yet awaits in fifth seed Thiem, a player who has beaten Nadal in four of their 13 meetings. Incredibly, 12 of those have been on clay, a surface they both love, with the only hard-court clash proving a thriller Nadal edged in a fifth-set tie-break after almost five hours at the US Open in 2018. Thiem has been forced to battle at different times at the year's opening grand slam, but is coming off a straight-sets win over Gael Monfils. Nadal holds a 6-5 win-loss record in Australian Open quarter-finals, something which should give Thiem some hope.

Draw

If Nadal can get past Thiem, a semi-final clash against Stan Wawrinka or Alexander Zverev awaits in a seemingly favourable draw. Novak Djokovic or Roger Federer would likely follow in the final.

What he said

"It's a very tough match. He's playing well. I saw him play today against Gael. He was playing a very high level of tennis. We know each other well. He's a player that I like him a lot, the way that he works, the way that he plays, and the way that he tries his best always. It's a match that's going to be a tough one, but will be interesting. I am excited to play this quarter-final against Dominic. I know I have to be at my best to have chances. I think I am moving in the right direction. Every day I'm playing a little bit better."

Nick Kyrgios mourned the loss of Kobe Bryant but said the NBA legend's achievements were an inspiration to him during his Australian Open clash with Rafael Nadal.

Home hope Kyrgios walked onto the court wearing a Los Angeles Lakers jersey adorned with the number eight Bryant made famous at the start of his two-decade career with the franchise. 

Bryant, 41, and his 13-year-old daughter Gianna died in a helicopter crash in Calabasas, California on Sunday.

Taking to Rod Laver Arena the following day, an emotional Kyrgios succumbed to a 6-3 3-6 7-6 (8-6) 7-6 (7-4) loss against the world number one, but revealed Bryant's passing had been on his mind.

"I never met Kobe but basketball is practically my life. I watch it every day. I've been following it for as long as I can remember," said Kyrgios.

"When I woke up to the news, it was pretty emotional. It was pretty heavy, like, all day. Obviously I was having basketball on at my house, watching the games. It was heavy. It's just tough. It's horrible news.

"If you look at the things he stood for, what he wanted to be remembered by, I felt like, if anything, it helped me tonight. When I was down a break in the fourth, I was definitely thinking about it. I fought back."

Kyrgios is a fan of the Boston Celtics, a side who were often on the receiving end of Bryant's brilliance, but the 24-year-old had long admired the five-time NBA champion's skill and dedication to his craft.

"I'm a Celtic fan. When I saw Kobe do what he does, break the hearts of so many Celtics fans, it was tough to see," he said.

"I don't think they make them like him anymore. He was different, the way he trained, the way he did things, the way he played. He was special."

Rafael Nadal conceded nerves almost got the better of him at one stage against Nick Kyrgios but feels he is playing better every day after booking an Australian Open quarter-final against Dominic Thiem.

The world number one hit 64 winners to just 27 unforced errors to impressively beat a motivated Kyrgios 6-3 3-6 7-6 (8-6) 7-6 (7-4) in a tense fourth-round encounter.

While the Australian acknowledged Nadal had performed better than him on the biggest points, the Spaniard noted he had struggled at one key period on Monday.

Serving for the match at 5-4 up in the fourth set, he lost the game to allow Kyrgios back into the match and had to make a gutsy hold soon after just to force a second tie-break, which he ultimately won.

"I played a bad game, that's true," said Nadal. "I was playing great with my serve, winning all the games with very positive feelings. 

"In the 5-4 game, like everybody, I get a little bit more nerves, I was nervous at that moment.

"I played a bad game. I accept I was more nervous at that moment. I am humble enough to accept that sometimes I am nervous and I can have mistakes. That's what happened.

"I kept going, because in the next game I have 15-40 again. I was not able to achieve the break but I said after it got to 6-5, 'I need to forget the bad game with my serve, we are still very close to the victory'. 

"I needed to play with the right determination until the end of this set. I can lose, I can win, but I cannot play with more nerves than what I should. I did it already once, and I didn't want to repeat that. 

"And I think I didn't – in the 6-5 I played a great game with my serve. In the tie-break, I was serving well. I played a solid tie-break.

"Anything could happen in the tie-breaks. Both of them have been very close."

Nadal is optimistic about the state of his game after reaching a 12th Australian Open quarter-final, with the Kyrgios match being the first time he has dropped a set at the tournament.

He added: "I am moving in the right direction. Every day I'm playing a little bit better.

"Very tough match next against Dominic. He's playing well. I saw him play against Gael Monfils and he was playing tennis at a very high level.

"We know each other well. He's a player that I like a lot, the way that he works, the way that he plays, and the way that he tries his best always.

"It is a match that going to be a tough one, but it will be interesting, no? I am excited to play this quarter-final. I know I have to be at my best to have chances."

Nick Kyrgios conceded he was "shattered" to have a lost his tense fourth-round match against Rafael Nadal at the Australian Open, but spoke of his appreciation for the world number one.

Amid an apparent softening of relations between the two rivals, Nadal praised Kyrgios in his on-court interview after winning a close encounter 6-3 3-6 7-6 (8-6) 7-6 (7-4) in three hours and 38 minutes.

Having overcome a worthy opponent, Nadal said the 24-year-old could contend at any tournament if he maintains his level of performance.

The scoreline was the same as when he beat Kyrgios at Wimbledon last year, but the Australian felt he was much closer to securing an upset victory this time.

"I mean, I appreciate it," Kyrgios said when he was asked about Nadal's comments.

"I've known that for the last four years but the trouble for me is being able to actually just produce the same attitude over and over again. Hopefully I can keep doing it. I'm just taking it day by day, trying to be positive, just bring positive vibes.

"Rafa was really good. Played too good. The court was really, really slow. I just couldn't get a ball past him. 

"I was trying to serve and volley, trying to dropshot. Eventually I would have to win the point three times to win a point. That's just the champion he is, the player he is. 

"He makes you play the extra ball. He played well, considering how slow [the court] was. He served really well, hit his backhand slice really well. He just played the bigger points better than I did.

"I'm shattered to have lost. Obviously these are the matches that I want to win the most. I had chances. I was a couple of points away from the third set and the fourth set.

"It felt a lot closer this time, especially in the 5-5 game in the third set where I was at deuce a couple times. He played some unbelievable points. I felt like if I got that third set, I would have really, really been on top of him.

"I was kind of feeling the match turn a little bit. If I break in that game, I thought I was going to raise my intensity, my energy. I definitely felt a lot closer this time around. The one at Wimbledon, I felt like I wasn't playing as good."

Kyrgios has been pleased with his progress on and off the court over the past month after an emotional period where he inspired fundraising efforts for the bushfire crisis in Australia.

And his tournament is not yet over with a mixed doubles campaign alongside Amanda Anisimova ongoing.

Kyrgios added: "Overall all this summer has been fun. My focus shifts to mixed now.

"I just want to go out there and have fun. I'm still in the tournament. I'm not going to take it for granted, another day at the Australian Open.

"I think I'm playing better tennis than I was [in making the 2015 quarter-finals]. You look at my draw back then to the opponents I played this time around, probably a lot tougher this time.

"I felt good. I actually felt fresh. I was ready to go five if it needed to get there.

"I feel like I've made progress as a human. A tennis player, I don't really care about as much, but I feel good and for sure I want to keep going in this direction."

Rafael Nadal survived a fourth-round test at the Australian Open, but Daniil Medvedev fell to Stan Wawrinka in Melbourne on Monday.

Nadal overcame Nick Kyrgios in a huge battle on Rod Laver Arena, reaching the quarter-finals at the year's first grand slam for the 12th time.

The man he conquered in last year's US Open final, Medvedev, fell short in a five-set thriller against Wawrinka.

Meanwhile, Alexander Zverev's impressive run continued and Dominic Thiem also advanced to the last eight.

 

NADAL GETS PAST KYRGIOS

Nadal needed three hours, 38 minutes and a fine performance to edge past Kyrgios 6-3 3-6 7-6 (8-6) 7-6 (7-4).

The world number one, who has endured a frosty relationship with the Australian, hit 64 winners and made just 27 unforced errors in his win.

A visibly emotional Kyrgios warmed up for the blockbuster clash in a Kobe Bryant jersey, paying tribute after the Los Angeles Lakers great's death on Sunday.

The 23rd seed fought hard as the pair put on a show, but was left to rue costly errors in the two tie-breaks.

Nadal will face Thiem, who powered past Gael Monfils 6-2 6-4 6-4 in under two hours, as the Spaniard's bid to join Roger Federer on 20 grand slam titles continues.

Thiem, 26, reached the quarter-finals of the Australian Open for the first time.

 

RESURGENT WAWRINKA OVERCOMES MEDVEDEV

Champion in Melbourne in 2014, Wawrinka produced what was the only upset of the day – at least by ranking – as he eliminated Medvedev.

The Swiss three-time grand slam champion claimed his first win in three meetings with the Russian fourth seed, winning 6-2 2-6 4-6 7-6 (7-2) 6-2.

After failing to go beyond the third round of any major in 2018, Wawrinka reached two quarters in 2019 and is into the last eight in Melbourne for the first time since 2017 – the year he underwent knee surgery.

The loss saw Medvedev fall to a 0-6 win-loss record in five-setters in his career.

"As I say, I don't like to play five sets," he told a news conference. "I get tired. Even though I'm there, I want to win it. As I say, at this moment, didn't win one in my life. We'll try better next time."

 

ZVEREV'S CLASSY RUN CONTINUES

Next up for Wawrinka is Zverev, who is yet to drop a set after impressively brushing past Russian 17th seed Andrey Rublev 6-4 6-4 6-4.

Zverev, the German seventh seed, did not face a break point on his way to the Australian Open quarter-finals for the first time.

It also marked the first time Zverev has reached the quarters at a major other than the French Open, where he lost in the last eight in 2018 and 2019.

"He showed why he's a grand slam champion, beating Medvedev, coming back from two sets to one down, playing great tennis," Zverev said about Wawrinka.

"He's still one of the toughest players to play, especially here in Australia."

Rafael Nadal encouraged Nick Kyrgios to continue with the same attitude he showed at the Australian Open after the Spaniard won their fourth-round clash on Monday.

World number one Nadal survived a test against Kyrgios, reaching the quarter-finals courtesy of a 6-3 3-6 7-6 (8-6) 7-6 (7-4) win on Rod Laver Arena.

The pair have endured a frosty relationship in the past but were largely respectful throughout, while Kyrgios' latest performance looked another step in the right direction for the volatile Australian.

Nadal said the 24-year-old was one of the best players on the ATP Tour and needed to continue with his improved attitude.

"What can I say again about Nick? When he's playing like today with a positive attitude, he gives lots of positive things to our sport," the Spaniard said in an on-court interview.

"I encourage him to keep working like this because he's one of the highest talents we have on our tour.

"I like the Nick Kyrgios of this tournament."

Kyrgios had warmed up for the clash in a Kobe Bryant jersey after the Los Angeles Lakers great's death.

Nadal also paid tribute to Bryant, who died alongside his 13-year-old daughter Gianna and seven others in a helicopter crash in Calabasas, California on Sunday.

"He always wanted more, he always wanted to increase his level," he said.

"He was a true inspiration for the world of sport and for a lot of kids, so it's one of these days that you want to forget.

"But of course, Kobe Bryant will be in our hearts and minds for the rest of our lives."

Rafael Nadal survived a test from Nick Kyrgios to move into the Australian Open quarter-finals with a four-set win on Monday.

The world number one was pushed by Kyrgios on Rod Laver Arena before completing a 6-3 3-6 7-6 (8-6) 7-6 (7-4) victory after three hours, 38 minutes in the fourth round.

Nadal produced the strong performance he needed to overcome the talented Australian, who warmed up in a Kobe Bryant jersey to honour the Los Angeles Lakers great following his death on Sunday.

The Spaniard remains on track to match Roger Federer's men's record of 20 grand slam titles after reaching a 41st major quarter-final and 12th in Melbourne, where Dominic Thiem awaits.

Nadal would land the first blow of a high-quality start in the fourth game.

Highlighted by a ripping forehand passing winner, Nadal broke for 3-1 in an error-riddled game by Kyrgios, including two poor drop shots.

The first set belonged to Nadal in slightly windy conditions, the single break and 14 winners helping him take it in 36 minutes.

Nadal was booed as he made Kyrgios wait to start the second set before the latter saved three break points in the opening game.

The importance of that hold was amplified when Kyrgios, pumping up the crowd after setting up break point, produced a forehand winner down the line to take a 3-1 lead.

Facing some pressure at 30-30 serving for the set, the 24-year-old delivered two huge aces to level the match.

No early blow was forthcoming in the third set, a brave drop shot from Kyrgios seeing him save a break point in the eighth game.

A tense tie-break followed, Kyrgios and Nadal trading double faults from 5-5 before a forehand error from the Australian – who also broke a racquet – gave his opponent the set.

Coming off his epic five-setter against Karen Khachanov, Kyrgios looked beaten when he was broken to love following a double fault in the third game of the fourth set.

To his credit, Kyrgios hung in there, breaking back when Nadal was serving for the match in the 10th game, much to the appreciation of the Rod Laver crowd.

Kyrgios dug himself out of a 15-40 hole in the following game as another tie-break followed, a terrible drop shot handing Nadal a 5-3 lead he would not relinquish before the pair shared a respectful handshake at the net amid what has been a frosty relationship.

 

STATISTICAL BREAKDOWN  
Rafael Nadal [1] bt Nick Kyrgios [23] 6-3 3-6 7-6 (8-6) 7-6 (7-4)

WINNERS/UNFORCED ERRORS  
Nadal – 64/27
Kyrgios – 50/43

ACES/DOUBLE FAULTS  
Nadal – 12/4
Kyrgios – 25/5

BREAK POINTS WON  
Nadal – 2/9
Kyrgios – 2/3

FIRST SERVE PERCENTAGE  
Nadal – 65
Kyrgios – 75 

PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE  
Nadal – 85/64
Kyrgios – 73/37

TOTAL POINTS  
Nadal – 147
Kyrgios – 124

Nick Kyrgios paid tribute to Kobe Bryant before his Australian Open fourth-round clash with Rafael Nadal on Monday.

The Australian, a huge basketball fan, wore a Los Angeles Lakers jersey with the number eight Bryant made famous to begin his career.

A visibly emotional Kyrgios received a fine ovation as he entered Rod Laver Arena in the jersey.

Lakers great Bryant, 41, and his 13-year-old daughter Gianna died in a helicopter crash in Calabasas, California on Sunday.

The sporting world celebrated and mourned Bryant after his shock death.

Lionel Messi and Cristiano Ronaldo were among the football stars paying their respects, while the NBA world mourned Bryant's passing.

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