Top-ranked Jannik Sinner and U.S. Open finalist Taylor Fritz advanced to the semifinals at the ATP Finals.

Top-ranked Jannik Sinner has made it two wins in two matches before his home fans at the ATP Finals by beating Taylor Fritz 6-4, 6-4 in a rematch of the U.S. Open final.

Carlos Alcaraz struggled with a stomach issue and looked far from the player who won two Grand Slams this year in losing to Casper Ruud 6-1, 7-5 at the ATP Finals in Turin.

U.S. Open finalist Taylor Fritz frustrated Daniil Medvedev to the point that the Russian smashed his racket and was docked a point in a 6-4, 6-3 victory for the American in the opening match of the ATP Finals.

Novak Djokovic and Taylor Fritz have advanced to a semifinal matchup at the Shanghai Masters.

Two days after starting out seventh-ranked Taylor Fritz and 10th-ranked Grigor Dimitrov have finally completed their second-round matches at the Shanghai Masters.

Four-time Grand Slam champion Carlos Alcaraz overcame Taylor Fritz in the deciding match as Team Europe rallied to beat Team World 13-11 and win the Laver Cup.

American pair Taylor Fritz and Ben Shelton have edged Carlos Alcaraz and Alexander Zverev in doubles to tie the Laver Cup after the first day in Berlin.

United Airlines says it will offer free WiFi service on flights using the satellite-based Starlink service from Elon Musk’s SpaceX.

New U.S. Open champion Jannik Sinner is making big strides in a short amount of time.

U.S. Open men’s runner-up Taylor Fritz has returned to the top 10 in the ATP rankings at No. 7, and women’s runner-up Jessica Pegula is up to No. 3 in the WTA list.

Time is running out for appeals to be filed in the case that exonerated U.S. Open champion Jannik Sinner from doping.

Taylor Fritz has come up short in his bid to win the first Grand Slam singles title for an American man in 21 years.

Taylor Swift is at the U.S. Open to watch another Taylor perform.

Jannik Sinner has defeated Taylor Fritz 6-3, 6-4, 7-5 with a relentless baseline game to win the U.S. Open men’s championship less than three weeks after being exonerated in a doping case.

Taylor Fritz can end a Grand Slam drought for American men by beating Jannik Sinner in the U.S. Open men's final on Sunday.

Aryna Sabalenka has defeated Jessica Pegula 7-5, 7-5 in the U.S. Open women's final to win her first championship at Flushing Meadows and second Grand Slam title of the year.

Taylor Fritz has defeated a fading Frances Tiafoe 4-6, 7-5, 4-6, 6-4, 6-1 in an all-American matchup at the U.S. Open to reach his first Grand Slam final.

It's been 21 years since an American man won a Grand Slam title, but the country is guaranteed a male finalist at the U.S. Open this weekend.

Frances Tiafoe has reached the U.S. Open semifinals for the second time in three years when his quarterfinal opponent, Grigor Dimitrov, stopped playing because of an injury in the fourth set.

Emma Navarro's first Grand Slam semifinal will come at the U.S. Open against Aryna Sabalenka.

Does American tennis have a pickleball problem.

Coco Gauff's U.S. Open title defense is off to a successful start.

Tennis fans who can’t decide which players have the best shot at doing well at the U.S. Open aren't the only ones.

Coco Gauff has lost in women’s doubles at the Paris Olympics a day after her tearful exit in singles.

There’s no single explanation for all of the injuries to players in the latter stages at Wimbledon this year.

Lorenzo Musetti has reached his first Grand Slam semifinal by eliminating Taylor Fritz at Wimbledon and will face Novak Djokovic next.

Novak Djokovic has received a free pass into the Wimbledon semifinals when his quarterfinal opponent, Alex de Minaur, withdrew with an injury.

Novak Djokovic is just one example of a superstar athlete who manages to find motivation wherever possible.

Taylor Fritz has come back after dropping the opening two sets to defeat two-time Grand Slam finalist Alexander Zverev 4-6, 6-7 (4), 6-4, 7-6 (3), 6-3 and reach the Wimbledon quarterfinals.

Taylor Fritz told his Wimbledon opponent to “have a nice flight home” after beating him in a second-round match.

Coco Gauff will lead the U.S. tennis team at the Paris Olympics three years after missing the Tokyo Games because she tested positive for COVID-19.

Carlos Alcaraz’s bid to win a third straight Madrid Open title has ended with a three-set loss to Andrey Rublev in the quarterfinals.

Rajeev Ram and Austin Krajicek have clinched a spot for the United States in the Davis Cup Finals group round by winning the doubles match against Ukraine for an insurmountable 3-0 lead in the best-of-five-match qualifying series in Vilnius, Lithuania.

Chris Eubanks and Sebastian Korda have given the United States a 2-0 lead against Ukraine in Davis Cup qualifying.

Novak Djokovic has held off Taylor Fritz 7-6, 4-6, 6-2, 6-3 in 3 3/4 hours to reach the Australian Open semifinals for the 11th time.

U.S. Open winner Coco Gauff will meet defending champion Aryna Sabalenka in the Australian Open semifinals after beating Marta Kostyuk 7-6, 6-7, 6-2 in an error-strewn match at Melbourne Park.

Pro tennis players have been wondering aloud whether arm injuries in their sport are related to the week-to-week changing of the tennis balls used by tournaments.

Novak Djokovic made a triumphant return to Perth after a decade and led Serbia to a 2-1 win over China at the United Cup.

Jannik Sinner has recorded his first win over top-ranked Novak Djokovic much to the delight of a passionate home crowd at the ATP Finals.

Alexander Zverev felt he had to react when he heard a fan use language from Adolf Hitler’s Nazi regime during his U.S. Open match.

Ben Shelton has reached his first major semifinal by beating Frances Tiafoe in four sets at the U.S. Open.

The rising heat and humidity at the U.S. Open has prompted organizers to adopt a new policy that allows them to partially close the roofs on the main stadiums.

There are three American men in the U.S. Open quarterfinals for the first time since 2005.

Novak Djokovic has eliminated qualifier Borna Gojo 6-2, 7-5, 6-4 to reach the U.S. Open quarterfinals.

Maria Sakkari has recovered to take the last four games and beat top-seeded Jessica Pegula 6-3, 4-6, 6-2 after letting a huge lead slip away in the DC Open semifinals.

The DC Open tennis tournament is touting itself as the first combined ATP-WTA 500 event.

Top-ranked Iga Swiatek breezed past Sorana Cirstea 6-2, 6-3 to reach the semifinals of the BNP Paribas Open.

Wu Yibing is the the first Chinese player to win an ATP Tour title after rallying in a three-set, all-tiebreaker thriller to beat John Isner in the Dallas Open.

The new Netflix docuseries about professional tennis is launching shortly before the start of the Australian Open.

The United States has claimed the inaugural United Cup in convincing fashion with an overpowering display over Italy in the final of the mixed teams event.

Italy will play the United States in Sunday's final of the inaugural United Cup in Sydney after defeating Greece in a semifinal of the mixed teams competition.

Taylor Fritz took advantage of a dominant serve to beat Alexander Zverev 6-1, 6-4 and Madison Keys also won in straight sets as the United States moved past Germany to reach the City Finals at the United Cup mixed teams event in Sydney.

A new Netflix docuseries about professional tennis called “Break Point” is scheduled to debut on Jan. 13.

Taylor Fritz has pulled the United States level with Italy at 1-1 in the Davis Cup quarterfinals after Frances Tiafoe lost his singles.

Rafael Nadal’s error-strewn performance saw him miss out on the chance of adding the ATP Finals trophy to his glittering list of titles as he was later eliminated from the tournament.

Third-seeded Casper Ruud eased to a straight-set victory over Felix Auger-Aliassime in the opening match of the ATP Finals.

Taylor Fritz defeated Frances Tiafoe 7-6 (3), 7-6 (2) in an all-American Japan Open final on Sunday.

Filling in for the retired Roger Federer at the Laver Cup, 2021 Wimbledon finalist Matteo Berrettini posted a victory for Team Europe when he edged Team World’s Felix Auger-Aliassime 7-6 (11), 4-6, 10-7.

Roger Federer says he was paying attention along with everybody else when Serena Williams played what is expected to be her last match three weeks ago at the U.S. Open.

Frances Tiafoe calls his run to the U.S. Open semifinals ‘a Cinderella story.

In one breath, Nick Kyrgios talks about heading into the U.S. Open with as much self-belief and good play as ever, coming off a runner-up finish at Wimbledon and some strong results on hard courts in recent weeks.

American Madison Keys upset No. 1 Iga Swiatek 6-3, 6-4 on Thursday to reach the Western & Southern Open quarterfinals.

The Big Four are forming quite a squad at the Laver Cup.

Ons Jabeur has reached her first Grand Slam final with a 6-2, 3-6, 6-1 victory over good friend Tatjana Maria at Wimbledon.

Rafael Nadal extended his Grand Slam winning streak to 19 matches with a 3-6, 7-5, 3-6, 7-5, 7-6 (10-4) victory over 11th-seeded Taylor Fritz in the Wimbledon quarterfinals.

Simona Halep’s first appearance at Wimbledon since winning the title three years ago is going just as good as it did the last time.

Rankings are a significant part of every professional tennis player's life.

Rafael Nadal advanced to the Wimbledon semifinals after winning a fifth-set tiebreaker against Taylor Fritz of the United States.

Nick Kyrgios has reached his first Grand Slam quarterfinal in 7 1/2 years with a five-set victory at Wimbledon over Brandon Nakashima of the United States.

American duo Coco Gauff and Jack Sock are into the semifinals of the mixed doubles tournament.

Nick Kyrgios cursed at the Wimbledon chair umpire and demanded that his opponent, Stefanos Tsitsipas, be defaulted.

Nick Kyrgios beat fourth-seeded Stefanos Tsitsipas in a wild third-round match at Wimbledon.

Naomi Osaka’s return to the French Open ended in the first round with a straight-set loss to 20-year-old American Amanda Anisimova.

The usual trophies and prize money will be on the line for Novak Djokovic, Iga Swiatek and other top players at Wimbledon, but there is a significant change there this year.

Rafael Nadal has gotten is off to a good start in his return from injury, defeating Miomir Kecmanovic in two sets to reach the third round at the Madrid Open.

Daniil Medvedev never gave Andy Murray a chance.

Rafael Nadal says he will be sidelined for four to six weeks because of a rib injury.

Rafael Nadal outlasted Spanish teenager Carlos Alcaraz, 6-4, 4-6, 6-3 to reach the BNP Paribas Open final and improve to 20-0 this year.

Iga Swiatek rallied from a break down in each set to beat Simona Halep 7-6 (6), 6-4 and reach the final of the BNP Paribas Open.

Nursing a nagging foot injury, Rafael Nadal improved to 18-0 this season, edging Reilly Opelka 7-6 (3), 7-6 (5) on Wednesday in the fourth round of the BNP Paribas Open.

Restrictions which resulted in the removal of a spectator for wearing a T-shirt supporting Chinese tennis player Peng Shuai at the Australian Open have been overhauled after international backlash.

Alize Cornet has finally reached the quarterfinals of a Grand Slam tournament in her 63rd attempt.

Nikoloz Basilashvili beat American Taylor Fritz 7-6 (5), 6-3 to set up a final against Cameron Norrie at the BNP Paribas Open.

Taylor Fritz beat No. 3 seed Alexander Zverev 4-6, 6-3, 7-6 (3) to reach the semifinals of the BNP Paribas Open in front of a hometown crowd, scoring the biggest win of his young career.

Novak Djokovic is 26-0 in Grand Slam matches in 2021.

After reaching the U.S. Open final last year with no fans, Victoria Azarenka appreciates playing in front of people again.

Rafael Nadal has won his first match back after being off the tour for nearly two months.

In four weeks, Taylor Fritz has gone from a wheelchair at the French Open to the third round at Wimbledon.

The Associated Press has learned that teenager Coco Gauff and Australian Open runner-up Jennifer Brady will lead the U.S. Olympic tennis team at the Tokyo Games.

There are four American men in the French Open's third round for the first time in 25 years: John Isner, Reilly Opelka, Stevie Johnson and Marcos Giron.

Novak Djokovic and Rafael Nadal won a total of three matches over younger players and will renew their record-setting rivalry in the Italian Open final.

Rafael Nadal showed he’s still got the stamina to withstand much younger challengers in a 3-6, 6-4, 7-6 (3) comeback win over 22-year-old Denis Shapovalov that secured him a spot in the Italian Open quarterfinals.

There are no American men in the ATP's Top 30 for the first time in the nearly half-century of ATP computerized tennis rankings.

Serbia's Novak Djokovic smashes his racket during his quarterfinal match against Germany's Alexander Zverev at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Feb. 16, 2021. (AP Photo/Andy Brownbill)MELBOURNE – Novak Djokovic smashed a racket, sending a piece of the frame flying. He dropped the opening set against Alexander Zverev, one of the young guys trying to shove aside Djokovic and the rest of the Big Three. And this is Djokovic at the Australian Open, where no man ever has been better. So, naturally, Djokovic pulled himself together and pulled out the victory, reaching his ninth semifinal at Melbourne Park by eliminating No.

Serbia's Novak Djokovic hits a backhand return to Canada's Milos Raonic during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Feb. 14, 2021. For anyone curious about the severity of his injury, he put it into context after qualifying for the Australian Open quarterfinals for the 12th time. The eight-time Australian Open champion planned to spend most of the next two days recovering ahead of his quarterfinal against sixth-seeded Alexander Zverev. “If you’re here, it’s for a reason - there’s no doubt about it,” Dimitrov said after his 6-4, 6-4, 6-0 win. AdAnd not since Patrick McEnroe — John’s brother — in 1991 has a man ranked as low as 114th made it to the Australian Open quarterfinals.

AdHe said: “If it’s any other tournament than a Grand Slam, then I’d withdraw from that event, that’s for sure. Defending champion Novak Djokovic has started his fourth-round match against Milos Raonic at the Australian Open. He'll play either U.S. Open champion Dominic Thiem or Grigor Dimitrov next and he says he doesn't have a preference. Their match is to be followed by eight-time Australian Open champion Djokovic against 2016 Wimbledon finalist Milos Raonic — assuming Djokovic decides he can play. Other men in action include reigning U.S. Open champion Dominic Thiem and the man he beat in that final, Alexander Zverev.

Karolina Muchova of the Czech Republic serves to compatriot Karolina Pliskova during their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Feb. 13, 2021. Crowds were gone from the Australian Open on Saturday because of a five-day hard lockdown imposed by the state government to contain an outbreak of COVID-19 cases. And with the lack of fans, players were faced with an all-too-familiar feeling: a distinct lack of buzz. The Australian Open was allowed to continue during the lockdown — but without fans. He struggled without a crowd in a warm-up tournament before the Australian Open.

Serbia's Novak Djokovic celebrates after defeating United States' Talyor Fritz in their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Feb. 13, 2021. So I don’t know if I’ll manage to recover from that in less than two days. I don’t know. Let’s be honest.”This setback dropped Fritz's career record in third-round matches at Grand Slam tournaments to 0-6. I just want to make it to the fourth round," Fritz said.

Competition at the year's first Grand Slam tournament will be allowed to continue, but no fans can attend as of Saturday. Hopefully it will be all right.”A year ago, Williams dropped just three games against Potapova in the first round. But the 2016 Wimbledon junior champion double-faulted five times in that game, including twice on set point. 8 Diego Schwartzman became the highest-seeded man to lose so far, eliminated 6-3, 6-3, 6-3 by Aslan Karatsev, a qualifier from Russia ranked 114th and making his Grand Slam debut at age 27. AdIn other action, 2020 U.S. Open runner-up Alexander Zverev won in straight sets and now takes on No.