Novak Djokovic produced a performance that should dispel some concerns over his shoulder with a straight-sets third-round win over a spirited Denis Kudla at the US Open.

Djokovic required treatment on his shoulder at several points in his second-round win over Juan Ignacio Londero and doubts over his fitness were not helped by his practice session, which was marked by an apparent argument with a spectator, being delayed by two hours on Friday.

He refused to be drawn on questions about the injury on his walk from the tunnel, instead providing his answer on the court in a 6-3 6-4 6-2 victory.

Kudla had described playing in Arthur Ashe Stadium under the lights as a "dream come true" and his showing lived up to the occasion.

The American had Djokovic at full stretch at various junctures in a highly entertaining affair, but the world number one and defending champion delivered his best on the key points to book a last-16 clash with Stan Wawrinka.

Djokovic had the crowd on their feet in the fourth game as he broke the Kudla serve in stunning fashion, showing off his superb ability to cover the court before winning the point with an exquisite backhand volley.

That proved enough to take the first set as Djokovic brilliantly saved two break-back points in the seventh game, with Kudla then looping a backhand wide on set point.

Kudla continued to test Djokovic's powers of flexibility but could not break through the Serbian's exceptional defences.

A forehand into the net gave Djokovic the break and a 3-2 lead in the second and, though Kudla played arguably the point of the match with a half-volley to bring up a break chance, he could not take that opportunity or the subsequent one after a Djokovic double fault.

The air was let out of the stadium somewhat as Djokovic clinched the second and he quickly took the crowd out of the contest by breaking Kudla in the first game of the third.

It was far from a perfect performance from Djokovic, who racked up 31 unforced errors and served three double faults in holding for a 2-0 third-set lead.

For all Kudla's efforts, however, he was unable to find a route back into the match and the way in which Djokovic gave the scoreline a comfortable look against an opponent clearly playing at his highest level should give the 16-time grand slam champion plenty of satisfaction as he looks to seal a fourth US Open title.

 

STATISTICAL BREAKDOWN
Novak Djokovic [1] bt Denis Kudla 6-3 6-4 6-2

WINNERS/UNFORCED ERRORS
Djokovic – 34/31
Kudla – 25/26

ACES/DOUBLE FAULTS
Djokovic – 6/8
Kudla – 6/3

BREAK POINTS WON
Djokovic – 4/9
Kudla – 0/7

FIRST SERVE PERCENTAGE
Djokovic – 63
Kudla – 52

PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE
Djokovic – 81/59
Kudla – 70/47

TOTAL POINTS
Djokovic – 104
Kudla – 78

Dan Evans claimed US Open schedulers gave Roger Federer a helping hand after the weary Briton bowed out of Flushing Meadows on Friday.

Midweek rain delays meant Evans played his second-round match against Lucas Pouille a day later than planned, eventually beating the French 25th seed on Thursday. 

Federer, in contrast, got his match out of the way on Wednesday, meaning he had ample preparation time. The 20-time grand slam winner duly swept past Evans, inflicting a 6-2 6-2 6-1 whipping on Arthur Ashe Stadium.

The 29-year-old British player had hoped for longer to recover, rather than being handed a slot at 12:00 local time (16:00 GMT) for his clash with the five-time US Open winner.

But Federer angrily rejected any suggestion he demanded a midday start, saying it was nonsense to think he calls the shots. He was so riled that, unusually for the Swiss, he used an expletive in his post-match news conference.

"These guys, the tournament obviously want Roger... would rather Roger be going through that match than me, so it's understandable," Evans told the media.

Evans scoffed when asked whether he or Leon Smith, the Great Britain Davis Cup captain who has been working closely with him, had requested a more suitable start time.

"You think a guy who has my ranking has any say in that?" said the world number 58. "There is probably about four people in this tournament who has a say when they play. Maybe three."

Evans - who admitted Federer played "no-error tennis" - found some sympathy from his opponent.

Federer said: "You could definitely argue that the scheduling was not in his favour. I understand if Danny is a little bit frustrated."

But the 38-year-old stressed he had not attempted to gain any pre-match advantage with the schedule, saying: "I don't remember that I asked for something. I definitely didn't do it intentionally. I don't even know if the team asked for day [rather than night session]. I know there was questions to have a preference.

"But that doesn't mean like, 'Roger asks, Roger gets'.

"Just remember that, because I have heard this s*** too often now. I'm sick and tired of it, that apparently I call the shots. The tournament and the TV stations do.

"We can give our opinion. That's what we do. But I'm still going to walk out even if they schedule me at 04:00 in the morning."

Roger Federer brushed aside Dan Evans in straight sets to march into the fourth round of the US Open.

The 20-time grand slam champion has struggled to find his best tennis in the early rounds at Flushing Meadows, dropping sets against qualifier Sumit Nagal and Damir Dzumhur.

Federer was in complete control from start to finish on Friday, however, with Evans providing little resistance as the Swiss eased to a 6-2 6-2 6-1 win in one hour and 20 minutes.

The lack of a real challenge from Evans meant Federer never had to hit top form, and he will hope for a similarly routine affair in the last 16 against either David Goffin or Pablo Carreno Busta.

Evans was under pressure as early as the fourth game but saved three break points to come from 0-40 down and hold.

He could not produce similar heroics two games later, however, a whipped cross-court forehand giving Federer the break, with a second arriving when Evans fired long to concede the opening set.

Federer needed only 27 minutes to take the second by the same scoreline, hitting 20 winners in the process.

Evans' frustration got the better of him at the end of the second, as he was given a code violation for smashing his racquet on his bench.

He was at least able to channel that emotion into a break back after going 2-0 down in third, but a double fault saw him immediately surrender the initiative once more.

Another double fault made it 5-1 to Federer and a one-sided contest was brought to an end when a tame backhand landed wide.

 

STATISTICAL BREAKDOWN
Roger Federer [3] bt Dan Evans 6-2 6-2 6-1

WINNERS/UNFORCED ERRORS
Federer – 48/19
Evans – 7/14

ACES/DOUBLE FAULTS
Federer – 10/1
Evans – 0/4

BREAK POINTS WON
Federer – 7/14
Evans – 1/2

FIRST SERVE PERCENTAGE
Federer – 66
Evans – 51

PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE
Federer – 80/71
Evans – 41/39

TOTAL POINTS
Federer – 87
Evans – 41

Rafael Nadal had the easiest progress into round three of the US Open, but a host of his rivals in the men's singles had to come through marathons on Thursday.

Nadal was awarded a walkover as Thanasi Kokkinakis withdrew from their second-round encounter at Flushing Meadows in New York.

As 18-time grand slam champion Nadal was able to get some valuable rest, Alexander Zverev needed five sets to see off a spirited effort from Frances Tiafoe.

Daniil Medvedev required four sets against Hugo Dellien to keep his title hopes alive as a host of other matches went the distance, including Hyeon Chung's battle with Fernando Verdasco.

Chung came from two sets down and 5-2 down in the fifth to defeat Verdasco, saving a match point to book a meeting with a refreshed Nadal.

Marin Cilic – the 2014 champion – moved on to Arthur Ashe Stadium because of Kokkinakis' withdrawal and defeated Cedrik-Marcel Stebe 4-6 6-3 7-5 6-3.

 

TOUGH LUCK FOR TIAFOE

Tiafoe has developed an unfortunate habit for losing five-setters, and he was on the wrong end of a topsy-turvy affair with sixth seed Zverev.

German Zverev came through 6-3 3-6 6-2 2-6 6-3, leaving Tiafoe to bemoan another marathon effort in vain, having also lost to Fabio Fognini in five sets at Wimbledon.

Asked to summarise his grand slam year, Australian Open quarter-finalist Tiafoe said: "Paris, unfortunately got sick there. Then I lose to Fabio in five. I lose to Zverev in five. You tell me how that feels. It's tough."

Zverev next faces Aljaz Bedene – a five-set victor over Benoit Paire. Alexander Bublik, Kamil Majchrzak and Paolo Lorenzi all won after going the distance.

Lorenzi latter's clash with Miomir Kecmanovic lasted four hours, 48 minutes and the Italian now has to gather what energy he has left ahead of Friday's meeting with 2016 champion Stan Wawrinka, who defeated Jeremy Chardy 6-4 6-3 6-7 (3-7) 6-3.

Wawrinka and Lorenzi's match precedes Medvedev facing Feliciano Lopez, who came from a set down to beat Yoshihito Nishioka 6-7 (7-9) 6-0 6-4 6-4.


DUBIOUS REWARDS FOR EVANS & KUDLA 

Dan Evans and Denis Kudla each knocked out seeds in Lucas Pouille and Dusan Lajovic, and both received dubious rewards for their performances.

Evans will have a tight turnaround to face third seed Roger Federer on Friday, while home hope Kudla will take on defending champion and world number one Novak Djokovic.

John Isner enjoyed a straightforward win over Jan-Lennard Struff, Gael Monfils also enjoyed serene progress against Marius Copil as he set up a match with Denis Shapovalov, while David Goffin eased past Gregoire Barrere 6-2 6-2 6-2.

Next up for Goffin is Pablo Carreno Busta after the 2017 semi-finalist beat Ricardas Berankis 6-4 6-7 (3-7) 6-2 6-0.


AUSSIES ON SONG

Nick Kyrgios had no problems against Antoine Hoang, winning 6-4 6-2 6-4 to secure a third-round clash with Andrey Rublev, the beneficiary of a walkover after one set with Gilles Simon.

Fellow Australians Alex de Minaur and Alexei Popyrin were also triumphant, though Jordan Thompson lost to Matteo Berrettini.

Kyrgios expressed no surprise at the success of his compatriots. He told a media conference: "De Min, I never expect anything less from him, he's an absolute warrior. He can beat a lot of good players.

"When I see him progressing through a draw, I know it's a nightmare for anyone who comes across him.

"Obviously Popyrin had a pretty good win today. Kukushkin is a savvy veteran. I'm not surprised when those guys win matches at all. They're capable of doing some big things."

Rafael Nadal received a walkover into round three of the US Open after Thanasi Kokkinakis withdrew from their second-round match.

Spanish star Nadal – the second seed – was due to close out Thursday's evening session against Kokkinakis on Arthur Ashe Stadium in New York.

However, the 18-time grand slam champion will now be able to rest ahead of his third-round encounter after Kokkinakis was forced to end his participation in the tournament.

Marin Cilic's match with Cedrik-Marcel Stebe has been moved from Louis Armstrong to Ashe to fill the void.

Nadal will face either Fernando Verdasco or Hyeon Chung in the third round at Flushing Meadows as the 33-year-old eyes a fourth US Open title.

Andy Murray said he was suffering from cramp and fatigue following his last-16 loss to world number 240 Matteo Viola at the Rafa Nadal Open.

Former world number one and three-time grand slam champion Murray struggled physically as he went down 3-6 6-4 7-6 (7-3) at the ATP Challenger event in Mallorca on Thursday.

Murray dropped down to the Challenger Tour for the first time since 2005 in a bid to improve his fitness following hip resurfacing surgery in January, which threatened to end his stellar career.

After blitzing teenager Imran Sibille and overcoming third seed Norbert Gombos, the 32-year-old Murray succumbed to Viola in a third-set tie-break.

"I'm cramping. Very tired," said Murray, who required a medical timeout midway through the third set, after almost three hours on court.

"I would have liked to have played more matches but it was good. I played two competitive matches. Physically I need to get better."

Murray is featuring on the Challenger Tour for the first time in 14 years.

The Brit started a singles comeback at ATP Masters 1000 tournament the Western & Southern Open before making a swift exit from the Winston-Salem Open.

Murray – who played a series of high-profile doubles tournaments after teaming up with Serena Williams in the mixed event at Wimbledon – then opted to skip the US Open in New York.

Roger Federer and Novak Djokovic encountered different issues on their way to the US Open third round on a rain-hit Wednesday.

Only four men's singles matches were completed – and there was a withdrawal – as the weather caused problems in New York.

Still, Federer and Djokovic managed to get through their second-round matches, but it was not easy.

 

FEDERER RUSTY AGAIN

Federer made another slow start before getting past Damir Dzumhur 3-6 6-2 6-3 6-4.

The Swiss 20-time grand slam champion lost the opening set, as he did against Sumit Nagal in the first round, on the back of 17 unforced errors.

Federer again managed to recover, the five-time champion at Flushing Meadows progressing after two hours, 22 minutes.

INJURY WORRY FOR DJOKOVIC

Djokovic, meanwhile, claimed a 6-4 7-6 (7-3) 6-1 victory over Juan Ignacio Londero, but had problems of his own.

The Serbian defending champion needed treatment on his left shoulder during his win as he was pushed in the opening two sets.

While forced to come from behind in each of the first two sets, Djokovic dealt with the shoulder issue to move through.

NISHIKORI, DIMITROV INTO THIRD ROUND

Kei Nishikori, the 2014 runner-up, battled through thanks to a 6-2 4-6 6-3 7-5 win over Bradley Klahn.

The Japanese seventh seed was one of five men to advance, with Grigor Dimitrov joining him.

Dimitrov was scheduled to face Borna Coric, but the Croatian 12th seed withdrew due to a lower back strain.

The final man to advance was Dominik Koepfer, who got past Reilly Opelka 6-4 6-4 7-6 (7-2).

Novak Djokovic revealed he did not know if he would be able to finish his second-round match against Juan Ignacio Londero as the defending champion overcame a shoulder injury to advance at the US Open.

World number one Djokovic pushed past the pain to outlast Londero 6-4 7-6 (7-3) 6-1 at Flushing Meadows on Wednesday.

Djokovic survived a huge test against Londero, while the 16-time grand slam champion required treatment on his left shoulder during the clash on Arthur Ashe Stadium.

The 32-year-old needed work on his shoulder in the first set, with the issue clearly bothering the Serbian star in New York, where countryman Dusan Lajovic or Denis Kudla await in the next round.

Djokovic was late to his post-match news conference and he told reporters: "I had to take time to address the injury that I have. It has caused hindrance to my game for sure tonight, especially with the serve and backhand. It was not easy to play with this kind of sensation, to be honest. I did not experience that too many times in my career.

"I was also lucky to find my way back in the second set and to win in the straight sets. I had obviously, you saw, a medical timeout. At changeovers, I tried to use within the rules as much as I can physiotherapy and medical help. That has definitely helped me stay in the match.

"The way it has started for me, especially midway through the first set, I didn't know if I would be able to finish the match. I'm really glad I have.

"I'm going to assess this injury tomorrow [Thursday] even more with further consultations with experts in sports medicine. I'm hoping that in two days' time I will be able to play pain-free, if that is possible."

Djokovic added: "It is new in a sense that I've never had that particular issue in my career. It's not new in a sense that it has bothered me now for almost a couple of weeks. It has been there. I've been experiencing some days of higher intensity of pain, some days less. It has been really fluctuating a lot, going up and down.

"What happened today on the court, actually how I felt, was quite rough and unpredictable. But, as I said on the court, you have to deal with this particular situation the way it is.

"I did have not too many times in my career, but I did have certain situations where I had to, as probably anybody else in professional tennis, go through pain and just figure out the way I can finish the match and hopefully win. I got myself that win.=

"Good thing about grand slams is you have a day off in between the matches. As I said, I'm hoping that with a proper medical help and treatments, I'll be able to get myself in a better state than I was today in a few days."

Novak Djokovic shrugged off a shoulder injury to beat Juan Ignacio Londero in the US Open second round on Wednesday.

The world number one and defending champion needed treatment on his left shoulder during a 6-4 7-6 (7-3) 6-1 victory on Arthur Ashe Stadium.

Djokovic fell behind in the opening two sets before proving too good for Londero, maintaining his record of having never been eliminated before the third round at Flushing Meadows.

The 16-time grand slam champion will face either Dusan Lajovic or Denis Kudla in the third round.

Londero matched it with Djokovic from the baseline early and grabbed a surprise break in the fifth game when the Serbian challenged incorrectly mid-point.

However, he failed to consolidate, Djokovic – bothered by a left shoulder injury – needing six break points to get back on level terms.

Djokovic required treatment on his shoulder at 4-3 before taking the opening set, playing characteristically brilliant defence as Londero netted a forehand in the 10th game.

A double fault gifted Londero a break to begin the second set as he took a 3-0 lead on the back of winning 12 of the first 15 points.

However, Djokovic responded again, winning five consecutive games before needing a tie-break to claim the second set.

The pair traded breaks to begin the third before Djokovic powered away to win in two hours, 15 minutes.

 

STATISTICAL BREAKDOWN
Novak Djokovic [1] bt Juan Ignacio Londero 6-4 7-6 (7-3) 6-1

WINNERS/UNFORCED ERRORS
Djokovic – 35/35
Londero – 24/43

ACES/DOUBLE FAULTS
Djokovic – 7/8
Londero – 6/5

BREAK POINTS WON
Djokovic – 8/17
Londero – 5/8

FIRST SERVE PERCENTAGE
Djokovic – 51
Londero – 62

PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE
Djokovic – 71/48
Londero – 49/46

TOTAL POINTS
Djokovic – 102
Londero – 82

Rain will prevent any further play on uncovered outside courts at the US Open on Wednesday, tournament organisers have confirmed.

Poor weather conditions in New York meant action had to be paused midway through the day.

Serena Williams will still take to the covered Arthur Ashe Stadium to face Caty McNally after Novak Djokovic meets Juan Ignacio Londero.

Number two seed Ashleigh Barty will also be in action against American Lauren Davis at Louis Armstrong Stadium.

Earlier in the day, Roger Federer moved into the third round by beating Damir Dzumhur on Arthur Ashe.

As he did in the first round against Sumit Nagal, Federer dropped the first set but raised his game to come through.

Roger Federer said he can only get better as the 20-time grand slam champion sent a warning to the rest of the US Open field heading into the third round.

Former world number one and third seed Federer came from a set down for the second match in succession to prevail 3-6 6-2 6-3 6-4 against Damir Dzumhur at Flushing Meadows on Wednesday.

Federer has been far from convincing during the first week in New York, where the five-time US Open champion was uncharacteristically wasteful in his first-round victory over grand slam main draw debutant Sumit Nagal.

Runner-up to Novak Djokovic in a remarkable Wimbledon final before suffering a swift exit from the Western & Southern Open, Federer committed 45 unforced errors against Dzumhur.

Asked about his slow starts at Arthur Ashe Stadium, Federer – who is eyeing his first US Open title since 2008 – told reporters: "I have been in that position many times where you go through a little phase where you don't start so well and everybody asks you right away, 'What are you going to do?'

"You're like, 'I don't know. Just go back to the drawing board. Just do the same things again.' You hope for a better outcome.

"I don't think there is per se a secret to a good start other than warming up well, being well-prepared mentally, not underestimating your opponent. I did all of that. You know me, I will always do that.

"So when it happens like this in back-to-back matches it's just a bit frustrating more than anything, especially when the level is that low and there is that many errors and the energy is not kind of there. But I can only do better, which is a great thing moving forward."

"I got exactly what I expected from both guys," Federer said when asked if he was surprised in the opening two rounds. "I knew what Nagal was going to give me. I knew what Dzumhur was going to give me. But I didn't expect to hit 15 to 20 unforced errors, which is basically the entire set just sort of donated.

"But look, they came out and they were well prepared and got me to do that. But I clearly have to play better from the get-go."

Federer will meet either Dan Evans or 25th seed Lucas Pouille for a place in the last 16.

Roger Federer had to come from a set down once again as he progressed into round three of the US Open with a 3-6 6-2 6-3 6-4 win over Damir Dzumhur.

Federer went behind to Sumit Nagal in his first-round match and suffered a similarly slow start in Wednesday's contest on Arthur Ashe Stadium.

But, much like in round one, the five-time Flushing Meadows champion - who made 45 unforced errors - found his form and once he nosed ahead in his 100th US Open match he never looked like slipping up.

The world number three was not handed it on a plate and although Dzumhur kept himself in it with some fine shots in the final set, Federer served out the win with the first match point on offer.

Dzumhur raced out of the blocks and stormed into a 4-0 lead after a second successive break.

Federer returned the favour in game five, but Dzumhur recovered from 30-0 down on his next service game - a sensational backhand slice forcing the former world number one to serve to stay in the set.

Federer did so successfully, but his opponent had his tail up and seized a one-set lead with just 29 minutes on the clock.

Another unforced error from the third seed handed Dzumhur a break point in the first game of set two, but the 27-year-old could not take his chance.

Federer made no such mistake, catching the Bosnian cold with a slick forehand down the line before executing a perfect drop shot en route to restoring parity.

A stunning cross-court backhand indicated Federer had hit his stride and the 38-year-old did well to save three break points for a 5-2 lead in the third.

With Dzumhur receiving treatment for an apparent side issue during changeovers, the Swiss closed out the set in his favour on his next serve.

Dzumhur's frustration at conceding his advantage started to show in set four, with a sloppy serve handing the 20-time grand slam champion a break in game three.

The finish line was in sight and Federer did not look back, finally breaking Dzumhur's resolve to set up a third-round clash with either Dan Evans or Lucas Pouille.

 

STATISTICAL BREAKDOWN
Roger Federer [3] bt Damir Dzumhur 3-6 6-2 6-3 6-4

WINNERS/UNFORCED ERRORS
Federer – 58/45
Dzumhur – 26/40

ACES/DOUBLE FAULTS
Federer – 16/4
Dzumhur – 2/8

BREAK POINTS WON
Federer – 5/9
Dzumhur – 2/8

FIRST SERVE PERCENTAGE
Federer – 69
Dzumhur – 65

PERCENTAGE OF POINTS WON ON FIRST/SECOND SERVE
Federer – 77/43
Dzumhur – 64/51

TOTAL POINTS
Federer – 126
Dzumhur – 110

Nick Kyrgios backtracked on his claim the ATP is "corrupt" but criticised the organisation for what he believes are "double standards".

Krygios is no stranger to controversy and caused a stir on Tuesday when - after his straight-sets win over Steve Johnson in round one of the US Open - he hit out at the governing body in his news conference.

Having been asked about a $113,000 (£93,254) fine he received for an on-court outburst at the Western and Southern Open earlier in August, the 24-year-old said: "[The] ATP's pretty corrupt anyway, so I'm not fussed about it at all."

The Australian was handed the fine for smashing two rackets and verbally abusing umpire Fergus Murphy.

World number 30 Krygios has since clarified his comments, alleging other players escape unpunished for similar behaviour.

"I would like to go on record and clarify my comment around the ATP being corrupt," Krygios posted on Twitter.

"It was not correct and the intention was to address what I see as double standards rather than corruption.

"I know my behaviour at times has been controversial and that has landed me in trouble, which at times is granted and valid but my issue is around others whether gaining the same, less or more media attention doing the same or similar behaviour and not being sanctioned.

"To be clear I know I'm not perfect and do not pretend to be and I acknowledge I've deserved fines and sanctioning at times but I expect consistency and fairness with this across the board, to date that's not happened.

"I've had huge support from [ATP chairman] Chris Kermode and have given it in return, so I want to clarify my comments but stand by my beliefs and sentiment around double standards."

The ATP confirmed Kyrgios' comments in Tuesday's news conference would be investigated.

A statement issued to Omnisport read: "The comments made by Nick Kyrgios after his first-round match in New York will be assessed under the Player Major Offense provision under ATP Rules. 

"A determination will be made by Gayle David Bradshaw, executive vice president, rules & competition, following an investigation as required by ATP rules."

Alexander Zverev survived and Rafael Nadal cruised as four top-10 seeds incredibly suffered losses in the US Open first round on Tuesday.

Zverev looked like potentially joining the list of casualties before edging past Radu Albot in five sets at Flushing Meadows.

Nadal, meanwhile, never looked in trouble as he retained his perfect record in the opening round in New York.

However, top-10 seeds did fall as Dominic Thiem, Stefanos Tsitsipas, Roberto Bautista Agut and Karen Khachanov made first-round exits.

 

ZVEREV EDGES THROUGH

A two-time French Open quarter-finalist, Zverev's record at grand slams has been questioned and it seemed set to be a talking point again.

But, the German sixth seed managed to get past Albot 6-1 6-3 3-6 4-6 6-2 after three hours, 10 minutes.

Zverev has never been beyond the third round at the year's final major and while the draw opened up on Tuesday, he faces a tough second-round match.

The 22-year-old will meet Frances Tiafoe, who led Ivo Karlovic 6-2 6-3 1-2 when the Croatian retired.

 

NADAL UNTROUBLED

Nadal, an 18-time grand slam champion, eased past John Millman 6-3 6-2 6-2 to improve to 15-0 in the first round at the US Open.

The Spaniard was relentless and consistent, eventually converting five of 15 break points in a comfortable win.

Nadal will face another Australian, Thanasi Kokkinakis, after the 23-year-old claimed his first main-draw win at a major since 2015 by beating Ilya Ivashka 6-3 7-6 (10-8) 6-7 (4-7) 6-2.

SEEDS FALL

The fourth-seeded Thiem was not at full fitness as the Austrian bowed out to Thomas Fabbiano 6-4 3-6 6-3 6-2.

Thiem and Tsitsipas made first-round exits at Wimbledon and the US Open, the Greek going down to another young star in Andrey Rublev 6-4 6-7 (5-7) 7-6 (9-7) 7-5.

Khachanov and Bautista Agut, the ninth and 10th seeds respectively, suffered shock losses.

Vasek Pospisil upset Khachanov 4-6 7-5 7-5 4-6 6-3, while Mikhail Kukushkin beat Bautista Agut 3-6 6-1 6-4 3-6 6-3.

Meanwhile, 2014 champion Marin Cilic progressed, Jo-Wilfried Tsonga was beaten and Nick Kyrgios advanced in straight sets.

Rafael Nadal revealed he had offered his boat to Andy Murray while the Brit plays at the ATP Challenger Tour event in Mallorca.

Murray's singles comeback is gathering pace and he moved into the last 16 at the Rafa Nadal Open on Tuesday.

Nadal, meanwhile, eased past John Millman to improve to 15-0 in first-round matches at the US Open.

The Spaniard said he had been in touch with Murray to offer any help, and the use of his boat, while he plays in Mallorca.

"I think he used it already in the past, no? I just text him when I knew that he was going to play at the academy," Nadal told a news conference.

"I just text him a couple of days ago saying, 'if you need anything, just let me know. You want to go out with the boat or anything, I can help you, just let me know'.

"For us in the academy, it is great news that he's there, of course. I saw the court yesterday where he was playing, it was full crowded. I think it's great for him, great for us.

"For me personally, as I said a couple of times, happy for him. Honestly he did a lot of things to try to be back on court and keep playing tennis.

"The decision to go and play a Challenger is because he feels well, my feeling, the way that I see it. If you don't feel it very well, you play normal tour and just let's see how it goes.

"If one player like Andy is able to go and play a Challenger it's because physically he feels well and he wants to play matches."

Nadal crushed Millman 6-3 6-2 6-2 in the US Open first round on a day that saw multiple upsets in his half of the draw.

Dominic Thiem, Stefanos Tsitsipas, Karen Khachanov and Roberto Bautista Agut all made first-round exits.

"That's tennis. That's all the reaction I can say, no?" said Nadal, who will face Thanasi Kokkinakis in the second round.

"When you start the tournament, you have difficult opponents in front. You need to go on court and respect every single opponent.

"I went on court today against a tough opponent knowing that I need to play well to win. If you play bad, you can lose.

"Tsitsipas had a very tough first round. Of course, Karen is a surprise. I think Thiem have been very sick for the last 10 days. I feel very sorry for him.

"Roberto was a surprise. Honestly, I'm very sad for him."

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