Tennis had a rotten lockdown but now the professional tours are emerging from hibernation. 

The men must wait a fortnight, but in Sicily a number of leading women will, from Monday, take part in the Palermo Open, a minor clay-court event that will face scrutiny like it has never known before. 

Tennis must prove it can stage events responsibly, not least because the sport's reputation took a hit with the calamitous ad hoc Adria Tour. That event saw stars including men's world number one Novak Djokovic, whose brainchild it was, and Grigor Dimitrov hit by coronavirus. 

The ATP and the WTA, governing bodies of the men's and women's tours respectively, will apply stringent rules and demand impeccable player compliance over the coming months. 

They have already seen tennis wiped out in China for the rest of the year, on top of Wimbledon's cancellation, and can ill afford any further momentous setbacks. 

At the end of August, the US Open is due to begin at Flushing Meadows, a behind-closed-doors grand slam.

But with a number of leading players already opting out or showing reluctance to travel during the pandemic period, it would be easier to return a barrage of John Isner serves than to accurately figure how the rest of the tennis year pans out. 

Sicily for starters

Palermo organisers expected Simona Halep, the world number two and reigning Wimbledon champion, to join them, and it was with "great bitterness" that they acknowledged the news she would be staying at home in Romania. 

Halep cited rising COVID-19 cases in her home country and her own "anxieties around international air travel". 

Jelena Ostapenko, Johanna Konta and Svetlana Kuznetsova were among others to pull out, with a number of factors behind the loss of a host of the event's star attractions. 

Arguably, though, the standard of the tennis in the week ahead will pale into insignificance against the success of the tournament from a health and safety perspective. 

One player tested positive for coronavirus after arriving in Palermo, organisers said on Saturday, and was kept away from all others, withdrawing from the tournament. 

The eyes of the tennis world will focus on the modest ASD Country Time Club, not least because a small number of tennis fans will also be allowed entry. 

American trilogy

Can the United States, where over 150,000 have died with coronavirus, provide safe haven for the biggest stars in tennis later this month? 

Authorities are optimistic ahead of a disrupted US hard-court swing getting under way, but there can be no guarantees, despite best efforts. There are three major tournaments in the US in August, each brimming with the biggest names in the game. 

A new WTA event in Kentucky was announced in mid-July, and starts on August 10, with a field boasting Serena Williams, Venus Williams, Sloane Stephens and Coco Gauff.  

From Kentucky, the best women's players in the world will head to New York for the Western and Southern Open, relocated to Flushing Meadows from Cincinnati this year in a move to save the tournament. 

That event, scheduled to run from August 21 to 28, is where the elite men make their re-entrance, with no ATP events scheduled until then. 

And the following week sees the US Open get under way at the same venue - all being well. 

Players will be expected to keep to their tournament bubbles throughout, tests will be carried out and players closely monitored. Any slip-ups could spell peril. 

Who's coming back? Who's not?

Halep is skipping Palermo and as of Sunday, August 2, she was not listed for the Western and Southern Open; however, she may play an event in Prague, starting on August 10. 

Given Halep's clear travel concerns, it would be little surprise were she to skip the US Open, which is a decision world number one Ash Barty has already taken. Barty's fellow Australian, Nick Kyrgios, has also chosen not to travel to the United States. 

Great Britain's Andy Murray, who appears keen to head to the States, has suggested a number of leading male players will swerve the US tournaments, yet the likes of Rafael Nadal, Djokovic and Dominic Thiem have entered the Western and Southern Open. 

Any of those players could still pull out, Nadal having notably expressed misgivings about international travel during lockdown. 

But will the temptation to go after another grand slam title at the US Open prove too alluring? Nadal is just one behind Roger Federer's record haul of 20 men's singles slams, with Djokovic having 17 majors to his name. 

Federer is sitting out all this drama, having undergone season-ending knee surgery. 

It comes as no surprise to see Serena Williams, one short of Margaret Court's women's record of 24 singles slams, committing fully to the weeks ahead. 

With no Barty and perhaps no Halep, Williams, who turns 39 next month, may perhaps never have a better opportunity to draw level with Court.

Grigor Dimitrov admitted he was still dealing with the effects of coronavirus after testing positive for COVID-19 last month.

The three-time grand slam semi-finalist was one of several players to contract coronavirus at the Adria Tour, with Novak Djokovic among them.

Dimitrov, 29, played at the Ultimate Tennis Showdown (UTS) on Saturday and Sunday, suffering losses to Richard Gasquet and Feliciano Lopez.

The Bulgarian later revealed he was still feeling the impact of contracting COVID-19.

"I'm just trying to put in effort every single day," he told Tennis Majors.

"Even if I'm tired or not, to keep progressing. One day I feel really well and I have about four hours to be out, but then all of a sudden I need to completely shut down to take a nap or just rest.

"I have to go through that process as much as possible. Hopefully I'm going to recover fully."

Dimitrov, the world number 19, said he was grateful to be playing again after his initial struggle with coronavirus.

"I guess it [COVID-19] is different for everyone. I was not breathing well. I was tired. I had no taste, no smell," he said.

"Everything you could possibly think of. It was no fun. To be honest, I'm lucky to be on the court right now.

"I don't take each day for granted. I really appreciate being here. It's so nice that during time off you can come out and play with your competitors."

There have been more than 16 million confirmed cases of coronavirus worldwide, with the death toll exceeding 650,000.

The ATP Tour season was suspended in March and is scheduled to restart next month.

Dan Evans believes Novak Djokovic set "a poor example" with the Adria Tour and hopes it does not lead to plans to hold the US Open being reconsidered.

Djokovic was the driving force behind the event that drew huge crowds in Serbia and Croatia before the Zadar final between the world number one and Andrey Rublev was cancelled after Grigor Dimitrov tested positive for COVID-19.

Borna Coric subsequently revealed he had also contracted coronavirus, while it is reported Dimitrov's coach Christian Groh and Djokovic's fitness trainer Marko Paniki have caught the virus too.

Evans criticised the "total disregard" of social distancing measures, with players pictured dancing together at nightclubs and making contact while playing basketball.

He said: "I just think it is a poor example to set. Even if the guidelines in that country are not two metres, I think we should all… it is not a joke, is it?

"Even if the guidelines were taken away in this country [the United Kingdom] to normal I would still be trying to keep myself out of the way as much as I could from other people. And I just think there has been a total disregard to that.

"It is very unfortunate that Grigor has it, Coric has it but, you know, if you strip it back, is it a surprise? I think that is the question we should all ask.

"I think we could definitely learn from that. And hopefully that event doesn't take away from… now the US Open, I hope there is no second-guessing now on the US Open because of unfortunate events."

Asked whether Djokovic should consider his position as president of the ATP Player Council, Evans said: "I don't know. Honestly, when I sit in those meetings, I don't know how it really works and how they get to those positions.

"But, put it this way, I don't think you should be having a players' party and dancing all over each other and then, two very good tennis players have tested positive, you should feel some responsibility in this event and how it has transpired."

The ATP Tour has been suspended since March but is slated to return with the Citi Open on August 14.

The Western and Southern Open will follow ahead of the start of the US Open on August 31.

Tournaments will be played with either reduced fans in attendance or behind closed doors.

Borna Coric confirmed he has coronavirus just a day after the Adria Tour final was cancelled due to Grigor Dimitrov's positive test.

Sunday's match between Novak Djokovic and Andrey Rublev was called off after Dimitrov announced he had tested positive for COVID-19.

The world number 19 had played in the Serbian and Croatian legs of the exhibition tournament and lost in straight sets to Coric in Zadar on Saturday before returning home after feeling unwell.

In a Twitter post on Monday, Coric said: "Hi everyone, I wanted to inform you all that I tested positive for COVID-19.

"I want to make sure anyone who has been in contact with me during the last few days gets tested!

"I am really sorry for any harm I might have caused! I'm feeling well and don't have any symptoms.

"Please stay safe and healthy! Lots of love to all!"

Australian Nick Kyrgios responded to Coric's Twitter post to slam the decision to hold the event.

"Boneheaded decision to go ahead with the 'exhibition' speedy recovery fellas, but that's what happens when you disregard all protocols. This IS NOT A JOKE," he wrote.

The tournament, set up by Djokovic as a means of helping top players return to fitness after the ATP Tour was suspended due to the pandemic, attracted thousands of fans in Serbia and Croatia, where lockdown measures were being eased.

Professional tennis has been largely at a standstill since March, with the French Open pushed back to September, Wimbledon cancelled and the US Open set to be staged without fans and under strict health and safety protocols from August 31.

Sunday's Adria Tour final has been cancelled after Grigor Dimitrov revealed he has tested positive for coronavirus.

Dimitrov competed in the Serbian and Croatian legs of the exhibition tournament along with Novak Djokovic, Alexander Zverev and Dominic Thiem.

The world number 19 lost in straight sets to Borna Coric in the Croatian city of Zadar on Saturday and returned home to Monaco after complaining of feeling unwell.

He has now confirmed he has contracted COVID-19 and the tournament's final, which would have featured Djokovic and Andrey Rublev, has been called off as a result.

Dimitrov took to social media on Sunday to issue an apology for potentially putting others at risk and forcing the competition to finish prematurely.

"I want to reach out and let my fans and friends know that I tested positive back in Monaco for COVID-19," he posted on Instagram.

"I want to make sure anyone who has been in contact with me during these past days gets tested and takes the necessary precautions.

"I am so sorry for any harm I might have caused. I am back home now and recovering. Thanks for your support and please stay safe and healthy."

An emotional Novak Djokovic will not be involved in the final of the Adria Tour exhibition event in Belgrade despite beating Alexander Zverev on Sunday.

The world number one needed to triumph in straight sets to finish top of Group Novak Djokovic, but his hopes of progressing were dashed when he lost the second to his German opponent.

While the home favourite did go on to record a 4-0, 1-4, 4-2 victory at the Novak Tennis Centre in Belgrade, it was not enough.

“I am not crying because I got knocked out of the tournament, I am just overwhelmed by emotion because this reminds me of my childhood," Djokovic told the crowd. 

"It's been an emotional few days and I want to thank everyone who made this possible. The important thing after this match is that we have one of our own in the final. I love you all and thank you so much for turning up."

Djokovic had opened his campaign at the tournament with a comfortable win over Viktor Troicki on Saturday, though he did come off second best in a point played against a ball boy, who thrilled the crowd with a successful drop shot.

Playing again in the evening session, the 17-time grand slam champion suffered his first loss of 2020, coming out on the wrong side of a deciding set in his contest against Filip Krajinovic.

Djokovic compiled an impressive 18-0 record on the ATP Tour this year, including winning the Australian Open, before the season was suspended due to the coronavirus pandemic.

Krajinovic will instead provide a home presence in Sunday's final, a victory over Troicki enough to see him top the table.

He will go up against Dominic Thiem, who defeated Grigor Dimitrov in straight sets to progress from a group named after his opponent.

World number one Novak Djokovic will return to the court next month for a new tour in the Balkans.

The spread of coronavirus - and the subsequent suspension of the ATP Tour - means Djokovic has not played since beating Stefanos Tsitsipas in the final of the Dubai Tennis Championships in February.

The ATP Tour will not resume until August at the earliest, but Djokovic has confirmed he will participate in a new tournament that is launching in his native Serbia.

The Adria Tour will be held in four countries - Serbia, Croatia, Montenegro and Bosnia-Herzegovina - with events on June 13-14, June 20-21, June 27-28 and July 3-4.

Djokovic, who turned 33 on Friday, will play in each leg of the series and will face Bosnian Damir Dzumhur on July 5 in a final exhibition match in Sarajevo.

He wrote on Twitter: "I'm proud to officially share the news that the #AdriaTour will be held across the #Balkans 13 June - 5 July kicking off with a tournament in Belgrade. Very grateful we could make this happen to play and support humanitarian projects across the region."

Tournament organisers said the aim of the series is to raise money for "humanitarian projects across the region" as well as helping tennis players get back in shape during the ATP Tour suspension.

As well as Djokovic, Austria's world number three Dominic Thiem has also signed up, as have Bulgarian Grigor Dimitrov and Serbia's Viktor Troicki.

Organisers said tickets will be sold to fans if "the presence of the audience is allowed".

World number one Novak Djokovic will return to the court next month for a new tour in the Balkans.

The spread of coronavirus - and the subsequent suspension of the ATP Tour - means Djokovic has not played since beating Stefanos Tsitsipas in the final of the Dubai Tennis Championships in February.

The ATP Tour will not resume until August at the earliest, but Djokovic has confirmed he will participate in a new tournament that is launching in his native Serbia.

The Adria Tour will be held in four countries - Serbia, Croatia, Montenegro and Bosnia-Herzegovina - with events on June 13-14, June 20-21, June 27-28 and July 3-4.

Djokovic, who turned 33 on Friday, will play in each leg of the series and will face Bosnian Damir Dzumhur on July 5 in a final exhibition match in Sarajevo.

He wrote on Twitter: "I'm proud to officially share the news that the #AdriaTour will be held across the #Balkans 13 June - 5 July kicking off with a tournament in Belgrade. Very grateful we could make this happen to play and support humanitarian projects across the region."

Tournament organisers said the aim of the series is to raise money for "humanitarian projects across the region" as well as helping tennis players get back in shape during the ATP Tour suspension.

As well as Djokovic, Austria's world number three Dominic Thiem has also signed up, as have Bulgarian Grigor Dimitrov and Serbia's Viktor Troicki.

Organisers said tickets will be sold to fans if "the presence of the audience is allowed".

Rafael Nadal is one win away from this third Mexican Open crown after beating Grigor Dimitrov in straight sets to advance to the Acapulco final.

Top seed Nadal was too good for Dimitrov en route to his fourth Mexican Open decider, triumphing 6-3 6-2 in convincing fashion at the ATP 500 tournament on Friday.

Nadal won the event in 2005 and 2013 and the 19-time grand slam champion has the chance to claim a hat-trick of Acapulco titles after maintaining his relentless form.

"I'm very happy. A great victory against one of the best players in the world and a good friend," Nadal said. "I think I've increased my level during the match, so it's positive for me."

Spanish star Nadal recovered from 1-2 start, reeling off four consecutive games with some powerful baseline winners to seize control against seventh seed Dimitrov.

It was a similar theme in the second set as Dimitrov broke for a 2-0 lead but that was as good as it got for the Bulgarian – Nadal going on a six-game run to close out proceedings in one hour, 41 minutes.

Awaiting world number two Nadal in the final is Taylor Fritz after the American stunned fifth seed John Isner 2-6 7-5 6-3 in a stunning comeback.

"He's playing well. He has a great serve, fantastic shots from the baseline. It's going to be a tough one," Nadal said. "I know I'm going to have to be at my best and I hope to be ready for it."

At the Chile Open, second seed Casper Ruud defeated seventh seed Federico Delbonis 7-5 7-5 to book his spot in the semi-final.

Ruud – the first Norwegian to win an ATP Tour title in Buenos Aires – will next meet third seed Albert Ramos-Vinolas, who saw off Thiago Monteiro 6-4 6-4 in Santiago.

Top seed Cristian Garin was forced to retire due to a leg injury after losing the first set 7-6 (7-1) to Thiago Seyboth Wild, while Renzo Olivo upstaged Pablo Cuevas 3-6 7-6 (7-5) 7-5.

Rafael Nadal cruised into the Mexican Open semi-finals after the top seed outclassed Kwon Soon-woo in straight sets.

Nadal was in devastating form as the 19-time grand slam champion dismantled Kwon 6-2 6-1 at the ATP 500 tournament in Acapulco on Thursday.

After crushing Miomir Kecmanovic in the last 16, Nadal continued his ruthless path through the draw at the expense of the rising South Korean in one hour, 31 minutes.

Nadal – eyeing his third Acapulco title – hit 25 winners, 11 unforced errors and saved all eight break points he faced to set up a semi-final showdown with Grigor Dimitrov.

Bulgarian Dimitrov snapped a five-match losing streak against three-time major champion Stan Wawrinka by defeating the third seed 6-4 6-4.

Dimitrov – the 2014 Mexican Open champion – had not beaten Wawrinka since 2016 but the former world number three ended his drought in one hour, 25 minutes.

"I've played quite a few times against Stan and we've practised together so many times. Between us, it's mainly a mental battle," Dimitrov said. "I had lost the past five times against him, but those losses have inspired me. Those losses helped me. Even though it hurts saying it, I'm admitting it. I wanted to stand tall tonight."

John Isner – the fifth seed – booked his spot in the semis for the second successive year with a 7-6 (7-3) 3-6 6-2 win over fellow American Tommy Paul.

Isner fired down 22 aces to set up a clash against countryman Taylor Fritz, who topped Kyle Edmund 6-4 6-3.

At the Chile Open, in-form top seed Cristian Garin extended his winning streak en route to the quarter-finals in Santiago.

Garin – the Cordoba and Rio Open champion – celebrated his 10th consecutive victory by downing Alejandro Davidovich Fokina 6-2 0-6 7-6 (7-4) at the ATP 250 event.

Fellow seeds Albert Ramos-Vinolas and Thiago Monteiro also progressed but fifth seed Juan Ignacio Londero was upstaged by wildcard Thiago Seyboth Wild 7-6 (9-7) 6-4.

Top seed Rafael Nadal advanced to the Mexican Open quarter-finals in straight sets, while Alexander Zverev was a shock casualty.

Nadal – playing his first competitive tournament since the Australian Open – produced some highlight moments as he saw off Miomir Kecmanovic 6-2 7-5 in Acapulco on Wednesday.

A two-time winner of the ATP 500 event, world number two Nadal was a class above against his Serbian opponent to stay on course for the title.

After his powerful display, the 19-time grand slam champion will face Kwon Soon-woo for a spot in the semi-finals after the South African beat eighth seed Dusan Lajovic 7-6 (7-2) 6-0.

Australian Open semi-finalist Zverev was bundled out of the tournament by American qualifier Tommy Paul 6-3 6-4.

Zverev dropped his opening service game and it was a sign of things to come for the German star as Paul capitalised to eventually claim the biggest win of his career.

Next up for 22-year-old Paul is fifth seed John Isner, who downed fellow American Marcos Giron 6-3 7-6 (7-4).

Grigor Dimitrov saved two match points as he prevailed 6-7 (8-10) 6-2 7-6 (7-2) against Adrian Mannarino in a thriller.

Mannarino erased Dimitrov's 4-1 lead in the final set to earn a pair of match points but the Bulgarian rallied to set up a showdown with third seed Stan Wawrinka, who eased past Pedro Martinez 6-4 6-4.

Elsewhere, fourth seed Felix Auger-Aliassime was surprised 6-4 6-4 by Kyle Edmund and Taylor Fritz topped Ugo Humbert 6-4 6-1.

At the Chile Open in Santiago, seeds Casper Ruud, Hugo Dellien and Federico Delbonis all moved through to the quarters but Pablo Cuevas fell to qualifier Renzo Olivo.

Top seed Rafael Nadal advanced to the Mexican Open quarter-finals in straight sets, while Alexander Zverev was a shock casualty.

Nadal – playing his first competitive tournament since the Australian Open – produced some highlight moments as he saw off Miomir Kecmanovic 6-2 7-5 in Acapulco on Wednesday.

A two-time winner of the ATP 500 event, world number two Nadal was a class above against his Serbian opponent to stay on course for the title.

After his powerful display, the 19-time grand slam champion will face Kwon Soon-woo for a spot in the semi-finals after the South African beat eighth seed Dusan Lajovic 7-6 (7-2) 6-0.

Australian Open semi-finalist Zverev was bundled out of the tournament by American qualifier Tommy Paul 6-3 6-4.

Zverev dropped his opening service game and it was a sign of things to come for the German star as Paul capitalised to eventually claim the biggest win of his career.

Next up for 22-year-old Paul is fifth seed John Isner, who downed fellow American Marcos Giron 6-3 7-6 (7-4).

Grigor Dimitrov saved two match points as he prevailed 6-7 (8-10) 6-2 7-6 (7-2) against Adrian Mannarino in a thriller.

Mannarino erased Dimitrov's 4-1 lead in the final set to earn a pair of match points but the Bulgarian rallied to set up a showdown with third seed Stan Wawrinka, who eased past Pedro Martinez 6-4 6-4.

Elsewhere, fourth seed Felix Auger-Aliassime was surprised 6-4 6-4 by Kyle Edmund and Taylor Fritz topped Ugo Humbert 6-4 6-1.

At the Chile Open in Santiago, seeds Casper Ruud, Hugo Dellien and Federico Delbonis all moved through to the quarters but Pablo Cuevas fell to qualifier Renzo Olivo.

Top seed Rafael Nadal advanced to the Mexican Open quarter-finals in straight sets, while Alexander Zverev was a shock casualty.

Nadal – playing his first competitive tournament since the Australian Open – produced some highlight moments as he saw off Miomir Kecmanovic 6-2 7-5 in Acapulco on Wednesday.

A two-time winner of the ATP 500 event, world number two Nadal was a class above against his Serbian opponent to stay on course for the title.

After his powerful display, the 19-time grand slam champion will face Kwon Soon-woo for a spot in the semi-finals after the South African beat eighth seed Dusan Lajovic 7-6 (7-2) 6-0.

Australian Open semi-finalist Zverev was bundled out of the tournament by American qualifier Tommy Paul 6-3 6-4.

Zverev dropped his opening service game and it was a sign of things to come for the German star as Paul capitalised to eventually claim the biggest win of his career.

Next up for 22-year-old Paul is fifth seed John Isner, who downed fellow American Marcos Giron 6-3 7-6 (7-4).

Grigor Dimitrov saved two match points as he prevailed 6-7 (8-10) 6-2 7-6 (7-2) against Adrian Mannarino in a thriller.

Mannarino erased Dimitrov's 4-1 lead in the final set to earn a pair of match points but the Bulgarian rallied to set up a showdown with third seed Stan Wawrinka, who eased past Pedro Martinez 6-4 6-4.

Elsewhere, fourth seed Felix Auger-Aliassime was surprised 6-4 6-4 by Kyle Edmund and Taylor Fritz topped Ugo Humbert 6-4 6-1.

At the Chile Open in Santiago, seeds Casper Ruud, Hugo Dellien and Federico Delbonis all moved through to the quarters but Pablo Cuevas fell to qualifier Renzo Olivo.

Rafael Nadal and Alexander Zverev moved through at the Mexican Open, while Nick Kyrgios was booed as his title defence came to an end.

A two-time champion of the event, top seed Nadal cruised past Spanish compatriot Pablo Andujar 6-3 6-2 on Tuesday.

In competitive action for the first time since the Australian Open, Nadal needed just 90 minutes to post his fourth victory in as many meetings with Andujar.

Zverev, the second seed at the ATP 500 tournament, survived an early battle before getting past Jason Jung 7-6 (8-6) 6-1.

Last year's runner-up, Zverev served 12 aces and broke four times in his victory.

Kyrgios beat Zverev in the final in 2019, but the Australian lasted just 31 minutes in the first round.

Ugo Humbert took the first set 6-3 when Kyrgios retired due to a wrist injury, the 24-year-old receiving some boos as he left the court.

Kyrgios was the only seed to fall as Felix Auger-Aliassime, John Isner, Grigor Dimitrov and Dusan Lajovic advanced at the hard-court tournament.

Taylor Fritz, Pedro Martinez and Kwon Soon-woo were also among the winners.

At the Chile Open in Santiago, seeds Juan Ignacio Londero, Federico Delbonis and Thiago Monteiro all got through their first-round matches.

Top seed Daniil Medvedev exited the Rotterdam Open with a first-round defeat to Vasek Pospisil that headlined a day of shocks.

Medvedev – the 2019 US Open finalist – was playing his first match since a five-set defeat to Stan Wawrinka at the Australian Open but was unable to find the same level he produced in that thriller.

Instead, Medvedev converted just one of his six break point opportunities as Pospisil claimed a 6-4 6-3 victory on Wednesday.

Sixth seed Roberto Bautista Agut was also on the receiving end of a surprise result, compatriot Pablo Carreno Busta winning 6-4 2-6 7-6 (7-4) in the second round.

With Medvedev and Bautista Agut out of the draw, Felix Auger-Aliassime can afford to harbour greater hope of winning his first ATP singles title after he saw off Grigor Dimitrov 6-4 6-2.

Though Auger-Aliassime is a place higher in the rankings than Dimitrov at 21st in the world, some may have expected the Bulgarian's greater experience to win out.

However, it was the 19-year-old Canadian who controlled matters, enjoying great success against the second serve of Dimitrov, who committed 27 unforced errors as Auger-Aliassime progressed to the quarter-finals.

Daniel Evans will join him in the last eight after the Briton defied the odds to come from a set down and defeat Karen Khachanov 4-6 6-3 6-4.

Gael Monfils, David Goffin and Gilles Simon all sealed first-round wins, though the latter pair did so in unconvincing fashion.

While third seed Monfils eased past Joao Sousa 6-3 6-2, fourth seed Goffin had to come from behind to knock out Robin Haase 3-6 7-6 (7-5) 6-4 and Simon survived a second-set blip in a 7-6 (7-3) 3-6 6-3 win over Mikhail Kukushkin.

Jannik Sinner is also through to round two, the 18-year-old given a walkover after Radu Albot withdrew with a shoulder injury.

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