Learner Tien has become the youngest man to reach the Australian Open quarterfinals in 11 years.

Nick Kyrgios says he’s not fit enough to play singles at the Australian Open but will compete in doubles with his good mate Thanasi Kokkinakis at Melbourne Park.

Nick Kyrgios has won the latest version of the “Battle of the Sexes” in tennis.

Venus Williams is paired with Reilly Opelka, and Wimbledon runner-up Amanda Anisimova is joined by Holger Rune on the updated list of teams signed up to try to enter the newfangled U.S. Open mixed doubles tournament.

Imagine Carlos Alcaraz and Emma Raducanu competing together for a Grand Slam trophy.

Heading into the French Open, an argument could be made that the headlines about tennis lately have been as, or more, intriguing off the court — and in the court of law — than on the court of play.

The professional tennis tours and two other defendants jointly have filed a motion in federal court in New York to dismiss the class-action antitrust lawsuit filed by the Professional Tennis Players’ Association, a group co-founded by Novak Djokovic.

Novak Djokovic doesn’t want the antitrust lawsuit filed by the players’ association he co-founded to create a rift in tennis, but he also said Thursday that the athletes’ share of revenues and their influence both need to increase.

Nick Kyrgios has won a match for the first time in nearly 2 1/2 years.

The tennis players' association co-founded by Novak Djokovic has sued the main groups that run the sport in a bid to gain more money and control.

Top-ranked Jannik Sinner accepting a three-month doping ban deal was slammed by his fellow tennis professionals on Saturday.

Why is everyone so angry at what long has been known as the Happy Slam.

Novak Djokovic’s first match with former rival Andy Murray as his coach turned into a first-round victory at the Australian Open.

Defending champion Jannik Sinner and 10-time Australian Open winner Novak Djokovic have landed in opposite sides of the draw for the season’s first major, ruling out a replay of last year’s semifinal encounter.

Exchanging smiles, laughs and flashy shots, Novak Djokovic and Nick Kyrgios have teamed up in doubles as they both returned to the court in preparation for the Australian Open.

On the eve of his return to the court, Novak Djokovic has weighed in on the tennis’ high profile doping cases and criticized what he perceives as double standards in the sport.

The former Wimbledon and French Open tennis champion Simona Halep has expressed dismay at the way Iga Swiatek’s doping case was handled compared to her own.

Plenty of tennis players at the U.S. Open agree that there are benefits to taking a nap before a match, especially if they are due on court at night.

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.

Nick Kyrgios has confirmed he won’t compete at the Australian Open next month because of ongoing injury concerns.

Tennis pro Nick Kyrgios is setting up a free-to-access OnlyFans page.

Maria Sakkari was bothered by the smell of marijuana during her loss at the U.S. Open.

Nick Kyrgios has pulled out of the U.S. Open.

Nick Kyrgios has pulled out of Wimbledon the night before the tournament’s start.

Matteo Berrettini is ignoring social media ahead of Wimbledon for the time being.

Australian tennis star Nick Kyrgios has revealed he spent time in a psychiatric ward following a loss at Wimbledon in 2019 because of suicidal thoughts.

Wimbledon finalist Nick Kyrgios has helped police catch a man who allegedly stole his Tesla at gunpoint from a home in Australia’s capital city.

Tennis star Nick Kyrgios has pleaded guilty in an Australian court to assaulting a former girlfriend during an argument in his hometown of Canberra in January 2021.

Tennis is abuzz with tongue-in-cheek talk about a “Netflix curse” during the Australian Open.

Nick Kyrgios has pulled out of the Australian Open a day before he was scheduled to play his first-round match.

Novak Djokovic has received a warm and enthusiastic welcome in his return to Melbourne during an exhibition match against Nick Kyrgios.

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

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

Carlos Alcaraz has reached his first Grand Slam final and given himself a chance to become No. 1 at age 19.

Carlos Alcaraz and Jannik Sinner are going to a fifth set in what appears likely to be the latest-ending match in U.S. Open history.

There was quite a hairy situation at the U.S. Open.

Karen Khachanov has advanced to the first Grand Slam semifinal of his career by edging Nick Kyrgios 7-5, 4-6, 7-5, 6-7 (3), 6-4 at the U.S. Open.

Caroline Garcia has beaten 18-year-old American Coco Gauff 6-3, 6-4 at the U.S. Open to reach her first Grand Slam semifinal at age 28.

Karen Khachanov has advanced to the first Grand Slam semifinal of his career by edging Nick Kyrgios 7-5, 4-6, 7-5, 6-7 (3), 6-4 at the U.S. Open.

Nick Kyrgios has eliminated defending U.S. Open champion and No. 1-ranked Daniil Medvedev in the fourth round.

Coco Gauff has reached the U.S. Open quarterfinals for the first time by coming back in each set to beat Zhang Shuai of China 7-5, 7-5 in front of a partisan crowd at Arthur Ashe Stadium.

Nick Kyrgios has eliminated defending U.S. Open champion and No. 1-ranked Daniil Medvedev in the fourth round.

Nick Kyrgios was bothered by what he thought was the smell of marijuana during his match.

The last two women’s champions were already out of the U.S. Open and now the 2021 runner-up and another semifinalist is gone.

Serena Williams has at least one more singles match left.

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.

Serena Williams has fallen to 0-2 in matches since announcing “the countdown has begun” on her career.

It's been quite a week for Russia’s professional tennis players.

Nick Kyrgios has followed up his run to the Wimbledon final by winning the Citi Open title for the second time.

Nick Kyrgios has reached a second consecutive tournament final for the first time in his career.

Novak Djokovic has withdrawn from the upcoming hard-court tournament in Montreal because he is not vaccinated against COVID-19 and therefore not allowed to enter Canada.

Nick Kyrgios beat American Marcos Giron in his first match at the Citi Open in Washington.

Novak Djokovic is holding out hope that he’ll be able to compete at the U.S. Open despite not being vaccinated against the coronavirus.

Serena Williams and Novak Djokovic are on the official U.S. Open entry lists but that doesn’t mean they’ll necessarily play in the tournament.

Roger Federer has dropped out of the ATP rankings entirely for the first time in a quarter-century.

Nick Kyrgios started things off by hitting a shot between his legs while warming up with Novak Djokovic before the Wimbledon final.

An activist who shouted “Where is Peng Shuai?”.

Novak Djokovic has defeated Nick Kyrgios 4-6, 6-3, 6-4, 7-6 (3) in the men’s final at the All England Club for a fourth consecutive Wimbledon championship and seventh overall.

Former tennis player Sue Barker is stepping down from her role working as a commentator and presenter at Wimbledon for the BBC.

Novak Djokovic has reached his eighth Wimbledon final by winning his 27th consecutive match at the grass-court Grand Slam tournament.

Novak Djokovic avoided answering questions about what he may have ingested during a changeover in one of his matches at Wimbledon.

Rafael Nadal has withdrawn from Wimbledon a day before he was supposed to play in the semifinals because of a torn abdominal muscle.

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.

Desirae Krawczyk and Neal Skupski won the mixed doubles title at Wimbledon with a 6-4, 6-3 victory over Australian duo Sam Stosur and Matthew Ebden on Centre Court.

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.

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

Wimbledon quarterfinalist Nick Kyrgios is due in court back home in Australia next month.

The All England Club's strict guidelines about wearing white clothing are seen by some players as out-of-date rules.

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.

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

Rafael Nadal advanced to the fourth round at Wimbledon with a 6-1, 6-2, 6-4 victory over 27th-seeded Lorenzo Sonego.

There will be eight American men in the third round of Wimbledon for the first time since 1995.

Nick Kyrgios has been fined $10,000 for unsportsmanlike conduct in his first-round Wimbledon victory.

Nick Kyrgios capped his first-round victory at Wimbledon by spitting in the direction of a spectator he said was hassling him.

Top-ranked Iga Swiatek carries a 28-match winning streak into the French Open.

Daniil Medvedev is one win away from returning to No. 1.

Nick Kyrgios lost his cool, then a point, then a game and then the match.

Paula Badosa was midway through an on-court interview after another victory at the Miami Open when a thought crossed her mind.

Rafael Nadal defeated Nick Kyrgios 7-6 (0), 5-7, 6-4 to reach the semifinals of the BNP Paribas Open in a match featuring obscenities, underhand serves and smashed rackets.

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.

Tennis pro Nick Kyrgios says he had “suicidal thoughts” and dealt with depression and abuse of drugs and alcohol in the past.

Nick Kyrgios and Thanasi Kokkinakis — the so-called Special Ks — have won the Australian Open men’s doubles title with a 7-5, 6-4 win over fellow Australians Matt Ebden and Max Purcell.

Ash Barty has ended a 42-year drought by reaching the Australian Open final with a 6-1, 6-3 win over Madison Keys.

Ash Barty ended a long drought by reaching the Australian Open final with a 6-1, 6-3 win over unseeded Madison Keys.

Alize Cornet is into the fourth round at the Australian Open for the first time 13 years.

Daniil Medvedev overcame Nick Kyrgios and all his tricks and the constant noise of a boisterous crowd to advance to the third round of the Australian Open.

Daniil Medvedev has overcome Nick Kyrgios and all his tricks and the constant noise of a boisterous crowd to advance to the third round of the Australian Open.

Emma Raducanu beat Sloane Stephens 6-0, 2-6, 6-1 in a seesawing first-round match between U.S. Open champions.

At least Novak Djokovic knows who he'll face in the first round of his Australian Open title defense — if he’s allowed to play.

Novak Djokovic is spending one of his important religious holidays in an Australian detention hotel working on his challenge against deportation regardless of who made an error on the visa or the vaccination waiver or whatever.

While the “will he or won’t he” question remains for No. 1 Novak Djokovic and his participation in the Australian Open the rest of the tennis world returns to work this week to prepare for the season’s first major.

Roberto Bautista Agut made it a short stay in the U.S. Open for Nick Kyrgios, who had enough time to fit in plenty of complaining in three sets.

Rafael Nadal's first tournament in nearly two months is over after just two matches.

Novak Djokovic is going to the Tokyo Olympics, keeping alive his chance for a “Golden Slam.”.

Roger Federer says he won't participate in the Tokyo Olympics after having a setback with his knee.

Roger Federer feels as if he found his rhythm at Wimbledon as he heads to Week 2 at a place he has won eight of his 20 Grand Slam titles.

Second-seeded Daniil Medvedev came from two sets down to beat former Wimbledon finalist Marin Cilic and reach the fourth round of the grass-court Grand Slam for the first time.

American Madison Keys has advanced to the fourth round at Wimbledon by beating No. 13-seeded Elise Mertens in straight sets.