Naomi Osaka is less likely to claim Olympics glory on home soil in Tokyo because her lack of match practice will be a disadvantage, according to Pat Cash.

Japan's Osaka has not played since withdrawing from the French Open after one match at the end of May, having revealed she would skip press conferences as "people have no regard for athletes' mental health".

Prior to taking a break from the sport, four-time grand slam champion Osaka revealed she had suffered "long bouts of depression" since winning the US Open in 2018.

The 23-year-old said this month she wants "some level of privacy and empathy" from the media when she returns to action and but also discussed her excitement at playing in a "dream" Olympics.

Former Wimbledon champion Cash insists Osaka has the game to triumph but feels it is a tougher task now given her main opponents are coming off two grand slams in quick succession.

"Yeah, she said [she was taking] time out – it's hard to know if she's going to be match hardened," Cash said to Stats Perform.

"I think that's the thing about playing Wimbledon, the grass court season. Are you match toughened? 

"That goes a huge, huge way [to achieving success, and not having that] is putting yourself under pressure and especially under those circumstances if it's for a gold medal."

Cash feels the quality and depth of opposition in the women's draw is another obstacle in Osaka's bid for gold.

Wimbledon winner Ash Barty, beaten finalist Karolina Pliskova, former French Open champion Iga Swiatek and Aryna Sabalenka are scheduled to be among the highest-ranked competitors for Osaka at the Olympics.

Cash added: "There are a lot of good players too. Going back onto the hard court, I think that favours certain players who hit the ball hard like Sabalenka for instance.

"But there's 30 girls who really do think they can win a gold medal there and I think that's true. 

"So it's very hard to predict who will win, obviously Japan want Osaka to win, but with her being out, I think it's less likely than in a normal circumstance where she's playing matches. 

"But she's such a talent that she really could come out there and blast players away, so I wouldn't put it past her."

Kevin Anderson landed his first title since January 2019 as the former Wimbledon finalist triumphed at the Hall of Fame Open on Sunday.

The one-time world number five served 16 aces in a 7-6 (10-8) 6-4 win over 20-year-old American Jenson Brooksby at the tournament in Newport, Rhode Island.

Playing the third grass-court final of his professional career, after being runner-up at Queen's Club in 2015 and at Wimbledon in 2018, Anderson outfought Brooksby to land a seventh ATP title.

Now ranked at a relatively lowly 113th, the 35-year-old South African former world number five saw off top seed Alexander Bublik in the semi-finals before getting the better of Californian prospect Brooksby in the title match.

"It's been a pretty tough run with some injuries," Anderson said, quoted on the ATP website. "But to be back here at the International Tennis Hall of Fame with such history, this couldn't be a better week for me to start, hopefully, my comeback.

"I'm very motivated to get back. But it all starts with each match, and I was able to really grind it out."

Anderson's last title had come on hard courts at the Maharashtra Open in Pune, India, where he got the better of Ivo Karlovic in a match where all three sets went to tie-breaks, and where Karlovic fired 36 aces in a losing cause.

Coco Gauff has tested positive for COVID-19 and must miss the Olympic Games in Tokyo, the American tennis prodigy announced on Sunday.

Gauff, who reached the last-16 stage at Wimbledon before losing to Angelique Kerber, has passed the $1million mark for prize-money in a season for the first time this year, rising to 25th in the WTA rankings.

The 17-year-old has a win-loss record of 31-12 for the campaign so far, and won the Emilia-Romagna Open title on clay in May.

She announced her news on social media, writing: "I am so disappointed to share the news that I have tested positive for COVID and won't be able to play in the Olympic Games in Tokyo.

"It has always been a dream of mine to represent the USA at the Olympics, and I hope there will be many more chances for me to make this come true in the future. I want to wish TEAM USA best of luck and a safe Games for every Olympian and the entire Olympic family."

The United States Tennis Association said it was "saddened" by the news, adding: "The entire USA Tennis Olympic contingent is heartbroken for Coco.

"We wish her the best as she deals with this unfortunate situation and hope to see her back on the courts very soon. We know Coco will join all of us in rooting on the other Team USA members who will be travelling to Japan and competing in the coming days."

Gauff joins a host of star names from tennis who have been ruled out, or have ruled themselves out, of the trip to Tokyo.

Serena Williams decided she would not play even before suffering a leg injury at Wimbledon, while Simona Halep, Sofia Kenin, Victoria Azarenka, Bianca Andreescu and Kerber are among other major absentees from the women's draw.

Yulia Putintseva was in devastating form as she crushed Anhelina Kalinina to win the Hungarian Grand Prix in Budapest, her second career singles title.

She needed just 70 minutes to thrash Kalinina 6-4 6-0 and seal a first WTA Tour triumph since 2019 when she was victorious in Nurnberg.

In fact, her semi-final appearance in Budapest was Putintseva's first since that success in Germany, and she rarely looked like passing up the chance for victory against her Ukrainian opponent.

Kalinina was as much her own worst enemy at times, with 34 unforced errors continuously handing the initiative to the ruthless Putintseva, who converted five of eight break points.

Two of those breaks came in the first three games of the match, and although Kalinina hit back initially, she could not sustain that form as Putintseva closed out the set.

The second set was far more one-sided, as Kalinina took just seven points across the six games, which were all won by Putintseva.

The Kazakh now turns her attention towards the Olympics.

Italy's Matteo Berrettini has become the latest high-profile tennis player to pull out of the Tokyo Olympics after injuring his thigh.

The world number eight, who had a bandaged leg in last week's Wimbledon final loss to Novak Djokovic, joins Rafael Nadal, Roger Federer and Stan Wawrinka in withdrawing from the men's event.

Serena Williams, Simona Halep, Victoria Azarenka, Johanna Konta, Bianca Andreescu and Angelique Kerber are among those to have already announced their decision to skip the women's tournament in Tokyo.

Berrettini, the first Italian to reach a Wimbledon singles final, announced his decision in an Instagram post on Sunday.

The 25-year-old's announcement comes a day after compatriot Francesco Molinari revealed he will not be taking part in the golf event at the Olympics.

"I am extremely disappointed to announce my withdrawal from the Tokyo Olympic Games," Berrettini said.

"I had an MRI scan yesterday on the thigh injury I sustained during Wimbledon and was informed I will not be able to compete for a couple of weeks."

The Olympic tennis events begin on July 24 and run through to August 1.

However, the deadline to name new athletes passed on Friday, so the Italian National Olympic Committee will not be able to name a replacement to join Fabio Fognini, Lorenzo Sonego and Lorenzo Musetti.

"Representing Italy is the biggest honour for me so it is devastating to miss the Olympics," Berrettini added.

"I wish the entire Italian team the best of luck in Tokyo. I will be supporting you all the way."

Despite the flurry of withdrawals, world number one Djokovic confirmed this week that he will enter the Olympic Games.

Djokovic travels to Japan in pursuit of a ground-breaking achievement, the Serbian just two titles – the Olympics and US Open – away from a first men's Golden Slam after triumphing at the Australian Open, French Open and Wimbledon in 2021

Casper Ruud won his third ATP Tour title on Sunday thanks to a straightforward win over Federico Coria in the Nordea Open final.

The Norwegian needed just under 90 minutes to see off Coria, who was competing in his maiden tour-level final, getting the job done to win 6-3 6-3.

Ruud's electric start set the tone for the contest, as he raced into a 4-0 lead thanks to successive breaks – although Coria broke back to make it 4-1, his opponent's wobble was only brief.

Coria ensured the match was a little tighter initially in the second set, but Ruud's class showed as he rattled off three breaks on the trot and eventually converted his fifth match point in front of a joyous support.

"It was an incredible week, maybe the best week of my life," Ruud said after sealing the title without losing a single set.

"It's an incredible feeling playing here in Bastad with the Swedish, Norwegian and Danish support. There is nothing like that home crowd feeling.

"To win here means a lot. You get a little extra nervous as the No. 1 seed. Me and my father [former player Christian Ruud] have been joking about when I am going to beat him at this and this, and now I think I have beaten him in everything!

"The Ruud family can finally bring the trophy home to Norway. It is a special feeling having him here with me."

Tamara Zidansek recovered from a set and early break down to beat Clara Burel and win her first WTA singles title at the Ladies Open Lausanne.

The Slovenian had lost her previous two finals, including at the Copa Colsanitas in April, but she lived up to her top-seed billing on Sunday by beating Burel 4-6 7-6 (7-5) 6-1.

Burel had eliminated second and fifth seeds Fiona Ferro and Caroline Garcia en route to her first final and made a fast start by breaking Zidansek twice in the first three games.

Former junior world number one Burel was in control at 4-0 up and saw the job through in the first set, despite Zidansek pulling it back to 5-4 at one point, with a backhand winner.

Zidansek was a break down in the second set when beginning her impressive comeback, which saw the French Open semi-finalist take four of the next five games.

But Burel continued to match her opponent as the second set went to a tie-break, with Zidansek recovering from 4-2 down to take it 7-5 and level up the contest.

World number 50 Zidansek took control from that point and eased to victory in the third set with three breaks, clinching her maiden title when Burel miscued a backhand.

Pablo Carreno Busta beat Filip Krajinovic in the final of the Hamburg European Open to lift his first ATP 500 trophy.

Spanish second seed Carreno Busta wrapped up a convincing 6-2 6-4 win over Krajinovic of Serbia in one hour and 23 minutes.

Krajinovic, who beat Stefanos Tsitsipas in the quarter-finals, had no answer to Carreno Busta's serve as he won 81 per cent (21/26) of his first-service points.

Carreno Busta broke Krajinovic's serve twice in the first set before he served out. 

Krajinovic showed more fight in the second set, but he was unable to create a break chance, and when he offered one to Carreno Busta his opponent seized it.

The victory gave world number 13 Carreno Busta, who did not drop a set in the tournament, his 17th win on clay this season.

Barbora Krejcikova won the Prague Open on Sunday with a comfortable win in straight sets against Tereza Martincova.

World number 13 and tournament second seed Krejcikova eased to a 6-2 6-0 win over her Czech compatriot Martincova in one hour and five minutes.

The win was the French Open champion Krejcikova's first on hard courts and came courtesy of 26 winners across the 14 games.

At 2-2 in the first set Krejcikova secured a break against the world number 78 and from that point never looked back.

Krejcikova has now chalked up an impressive 20 wins from her last 21 matches.

The 25-year-old's solitary loss in that time was in the fourth round of Wimbledon at the hands of eventual champion, and world number one, Ashleigh Barty.

In-form second seed Barbora Krejcikova saw off Wang Xinyu in straight sets on Saturday to set up an all-Czech final with Tereza Martincova on home soil at the Prague Open.

French Open champion Krejcikova needed just one hour and nine minutes to overcome Wang 6-1 6-2 and reach her third final in four tournaments.

Krejcikova controlled the match from the off, on her way to a routine win, with the world number 13 having still yet to drop a single set in the Czech capital.

Martincova had earlier been made to work a little harder for her victory over Greet Minnen, but the number eight seed advanced through to Sunday's final with a 6-3 6-4 win.

The 26-year-old let slip a 4-1 lead in the second set as Minnen pulled it back to 4-4, before taking her second match point with a strong forehand.

At the Lausanne Open, a new singles champion on the WTA Tour will be crowned on Sunday when Tamara Zidansek and Clara Burel face off.

Zidansek proved too strong for semi-final debutant Maryna Zanevska, prevailing 7-5 6-3, while Burel needed to dig deep to get the better of fifth seed Caroline Garcia.

Burel, who unlike Zidansek has never previously reached a WTA singles final at all, was a set and a break down to Garcia but recovered to take the match the distance.

The 20-year-old called a medical timeout in the decider, though she managed to put that behind her as she earned three breaks of serve to stun her French compatriot 5-7 6-2 6-2.

Elsewhere on Saturday, home favourite Dalma Galfi's tournament was brought to an end at the semi-final stage of the Hungarian Grand Prix with a 6-2 3-6 6-2 defeat to top seed Yulia Putintseva.

Wildcard entrant Galfi offered little in the first set to suggest she would push Putintseva all the way, but she did exactly that with a couple of breaks of serve in the second set.

However, Putintseva, looking to add to her only previous singles title at the 2019 Nuremberg Cup, stormed into a 5-1 lead in the deciding set and ended Galfi's hopes with her first match point.

The Russian will next take on Anhelina Kalinina, who led 6-7 (7-5) 4-1 against Danielle Collins in the other semi-final when her opponent withdrew injured.

Filip Krajinovic will take on Pablo Carreno Busta in the Hamburg European Open final on Sunday.

A memorable week for Krajinovic continued as he saw off fellow Serbian Laslo Djere 6-4 6-2 in his semi-final.

Sixth seed Krajinovic defeated Stefanos Tsitsipas in the quarter-finals and ensured he followed up on that surprise victory with a dominant display against Djere on Saturday.

The victor committed only seven unforced errors in the match, while conceding just two break points in the contest.

Second seed Carreno Busta has not dropped a set all week and kept that run going with a 7-6 (7-2) 6-3 win over Federico Delbonis.

Carreno Busta needed just under two hours to see off a battling Delbonis, with neither player offering up a single break point in a first set that went the distance.

The Spaniard won five straight points to take the tie-break and continued that momentum into the second set when he broke Delbonis twice.

Neither Carreno Busta nor Krajinovic has ever won a tournament at ATP 500 level or above.

Carreno Busta has five career titles, but all of those are at ATP 250 level, losing to Dominic Thiem in his only showpiece appearance at this level at the Rio Open back in 2017.

Krajinovic, meanwhile, has lost all three of the career finals he has reached.

"I enjoy playing here, I feel comfortable here," Carreno Busta said. "It is my most important match this year on Sunday - I need to be really focused until the end.

"[Delbonis] is a really tough player and my level was very good. I probably played better in the second set, but I continued fighting all the time."

At the Nordea Open in Bastad, Sweden, top seed Casper Ruud was comfortable as he defeated Roberto Carballes Baena 6-1 6-4 to earn a place in the final.

Ruud needed just 79 minutes to do the job, breaking Carballes Baena on five occasions. 

He has only played two matches – both comfortable wins – to reach the final after a walkover against Henri Laaksonen in the quarters.

Rising star Ruud will bid for his second ATP title of the year and the third of his career against Federico Coria on Sunday.

Coria also had a comfortable last-four tie, seeing off Germany's Yannick Hanfmann 6-2 6 -1, with the win meaning the 29-year-old reached his maiden career tour final.

"I am very happy - it is my first final," said world number 77 Coria, who beat second seed Cristian Garin in the last eight.

"I played the best tennis of my life in this match. It is amazing here in Bastad, it is beautiful."

French Open champion Barbora Krejcikova marched through to the Prague Open semi-finals following a straight-sets victory over doubles partner Katerina Siniakova.

The in-form second seed has six titles to her name this season; three of which have come alongside Siniakova in doubles events.

Together, they have triumphed at Roland Garros – adding to Krejcikova’s singles success – as well as in Madrid and the Gippsland Trophy.

However, this was their first singles meeting at Tour level, which went with the form book as Krejcikova claimed her 18th win in 19 matches after comfortably prevailing 6-3 6-0.

The home favourite, who is still to drop a set in the Czech capital, will play Wang Xinyu in the semi-finals after the world number 147 beat Grace Min 6-3 6-3.

Stefanos Tsitsipas will head into the Tokyo Olympics on the back of a disappointing quarter-final exit at the Hamburg European Open.

The world number four made a fast start to his match against Filip Krajinovic, winning the opening five games, but fell away to lose in three sets after an hour and 59 minutes.

Tsitsipas is due to represent Greece at the behind-closed-doors Games in Japan, where he will be among the medal favourites.

His racket bizarrely fell apart in the second set against Krajinovic, with Tsitsipas left clutching just the handle as the head broke off when he attempted a backhand.

Despite reaching for a replacement racket, Tsitsipas could not get the better of his 44th-ranked Serbian opponent.

Krajinovic said, according to the ATP website: "He started really well, really aggressively. I could not find my game, could not find my serve, he was overpowering me. But at the end of the first set, I started to feel better, I was going for my shots.

"It paid off in the end. I am happy to beat Tsitsipas, he is an amazing player. I always play well here, and I hope I keep playing well here."

Krajinovic advances to take on a fellow Serbian, Laslo Djere, in the semi-finals, after Djere swept to a 6-2 6-2 win over Georgian Nikoloz Basilashvili.

Spanish second seed Pablo Carreno Busta prevented a third Serbian reaching the final four, beating Dusan Lajovic 7-6 (7-4) 6-3, and he will face Federico Delbonis on Saturday.

At the Nordea Open in Bastad, Sweden, top seed Casper Ruud had his path to the semi-finals smoothed by the withdrawal of scheduled opponent Henri Laaksonen due to injury.

That walkover means Norwegian Ruud will next tackle Roberto Carballes Baena, who beat Slovakian Norbert Gombos 6-4 6-2.

Chilean second seed Cristian Garin bowed out, beaten 6-4 4-6 6-2 by Argentinian Federico Coria. Coria's semi-final opponent will be Germany's Yannick Hanfmann, a 6-4 6-3 victor over French qualifier Arthur Rinderknech.

Alex de Minaur is "shattered" to be missing the Tokyo Olympics after he tested positive for COVID-19.

De Minaur was the headline name of Australia's Olympics men's tennis team, alongside Nick Kyrgios.

However, Kyrgios pulled out last week due to a concern over the decision to ban fans from attending events due to a spike in coronavirus cases in Japan.

Now world number 17 De Minaur has joined a list of absentees which already includes Roger Federer and Rafael Nadal, while the woman's tournament will be without Serena Williams and former medallists Victoria Azarenka and Angelique Kerber, who withdrew on Friday.

"We have been advised that Alex de Minaur has had a positive test, as a consequence, Alex, sadly will be unable to join the Australian team," Australia's chef de mission Ian Chesterman said.

"We are very disappointed for Alex and he is shattered at not being able to come. It has been his dream to represent Australia at the Olympic Games since he was a child, but he sent his best wishes for the team."

De Minaur undertook both the mandatory 96-hour and 72-hour PCR tests before departure. However, Australia are confident his positive result will have no impact on the rest of their team.

The 22-year-old was set to take part in his first Games, representing Australia in the singles and doubles.

"No other tennis players have had physical contact with Alex since he left Wimbledon on 5 July, where he tested negative," Chesterman added.

"All other Australian players have tested negative since. We look forward to welcoming those athletes into our team.

"We need to protect this bubble and Alex has been caught up in that system. While we will miss Alex, he understands the reasons why he cannot be with us."

Novak Djokovic has confirmed he will enter the Olympic Games in Tokyo, with the world number one just two titles away from a first men's Golden Slam.

Rivals Rafael Nadal and Roger Federer, citing respective scheduling and injury issues, have each withdrawn from Tokyo 2020.

But Djokovic confirmed on Thursday he will travel to Japan in pursuit of a groundbreaking achievement.

Only women's tour legend Steffi Graf has previously won all four majors and the Olympics in the same year, doing so in 1988.

Doubles superstars Bob and Mike Bryan held all five titles at once but collected them across 2012 and 2013, while Andre Agassi and Nadal are the only two men's singles players to achieve the feat across an entire career.

Djokovic has already triumphed at the Australian Open, French Open and Wimbledon in 2021, leaving Tokyo and the US Open still to conquer.

The 20-time grand slam champion – a record he tied at the All England Club on Sunday – has entered the Games three times previously but earned only a single bronze medal. Andy Murray is the two-time defending champion.

At Flushing Meadows, Djokovic is a three-time winner.

The 34-year-old confirmed his Olympics plans in a social media post as he sent a message to a young Japanese fan celebrating his sixth birthday.

"Cannot disappoint my little friend Koujirou," Djokovic wrote. "I booked my flight for Tokyo and will proudly be joining #TeamSerbia for the Olympics."

He had said following his Wimbledon win last week: "My plan was always to go to Olympic Games, but right now I'm a little bit divided."

Djokovic added limitations on his travelling party and potentially being unable to watch fellow athletes had reduced the likelihood of an appearance to "50-50".

But he will now feature, even if former Wimbledon champion Pat Cash believes the calendar Grand Slam – winning the four majors but not the Olympics – has to be the Serbian's priority.

Cash told Stats Perform: "It's the Olympics, okay – maybe he wants to do that, but certainly his goal is now to try and win all four grand slams in the calendar year.

"He has done four in a row, but he hasn't done them in the same year, which is very, very tough to do.

"There is a reason why I think one person has done it in [men's] professional tennis – Rod Laver and it was in 1969, so it's not easy to do.

"But I really do think it's in his sights and that has got to be his priority.

"It's absolutely the absolute peak of our sport to win all four grand slams in one year."