Wimbledon is replacing line judges with electronic line-calling to mark the latest step into the modern age by the oldest Grand Slam tennis tournament.

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

Alexander Zverev, the 2020 U.S. Open runner-up, will miss the tournament this year while recovering from surgery on his right ankle.

Novak Djokovic has pulled out of next week’s hard-court tournament in Cincinnati because he has not gotten any COVID-19 vaccine shots and so is not allowed to travel to the United States.

Serena Williams has lost her first singles match in nearly a year, getting beat by 115th-ranked Harmony Tan of France in three sets at Wimbledon.

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.

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.

Emma Raducanu’s qualifier-to-champion run at the U.S. Open has vaulted her 127 spots in the WTA rankings to a career-high No. 23.

This is the first time in U.S. Open history that no men or women from the host country has made it to the quarterfinals in singles.

Novak Djokovic has extended his pursuit of the first calendar-year Grand Slam in men's tennis since 1969 by beating the last U.S. singles player at the U.S. Open.

Emma Raducanu quickly seems to have figured out this Grand Slam thing.

Novak Djokovic has moved into the third round of the U.S. Open as he tries to complete a calendar-year Grand Slam and collect a 21st major championship.

How long is too long to take in the bathroom.

Novak Djokovic has started his bid to make history at the U.S. Open with a four-set victory over Danish teenager Holger Vitus Nodskov Rune.

Karolina Pliskova and Reilly Opelka were among the early winners on the second day of the U.S. Open.

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.

A few years ago, a star athlete dropping out of a major tennis tournament over mental health issues might have been seen as a sign of weakness.

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 has ended a run of three straight losses to Alexander Zverev with a convincing 6-3, 6-4 win over the German to reach the Italian Open semifinals.

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.

The last American man to win a Grand Slam tournament was Andy Roddick at the U.S. Open in 2003, and there's no sign the drought will end anytime soon. “But I don’t see it being what it once was ever again.”AdOpelka, for one, isn’t surprised the United States has the same number of seeded men in Melbourne as, say, Bulgaria or Norway. The United States has four seeded women in Melbourne, including Kenin and Serena Williams. That’s a challenge, because those kids want to play basketball and football.”The United States Tennis Association has inner-city programs in more than 250 locations. Opelka (ranked 38th), Fritz (ranked 31st), Tommy Paul (53rd) and Frances Tiafoe (64th) are all 23 and good friends who root for each other.

Serbia's Novak Djokovic makes a forehand return to United States' Frances Tiafoe during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Feb. 10, 2021. 1, had never beaten anyone in the Top 5, and now he'd just won a tiebreaker against Novak Djokovic to level their second-round match at the Australian Open. So did another U.S. Open champion, Naomi Osaka, who needed only an hour to sweep Caroline Garcia 6-2, 6-3. AdFormer U.S. Open champion Bianca Andreescu, coming back from 15 months out with injury, became the latest top-10 player to be beaten by Hsieh Su-wei of Taiwan. 11 Denis Shapovalov beat Australian qualifier Bernard Tomic 6-1, 6-3, 6-2, advancing along with two other Canadians, Milos Raonic and Felix Auger-Aliassime.

Austria's Dominic Thiem reacts in the first round match of the French Open tennis tournament against Croatia's Marin Cilic at the Roland Garros stadium in Paris, France, Monday, Sept. 28, 2020. (AP Photo/Alessandra Tarantino)PARIS – Dominic Thiem felt right at home in the cold of the French Open on Monday. “I love the conditions because I’m from Austria, because I know how it is in these cold conditions," Thiem said on court. “Ten, 15 degrees, I love it.”Two weeks ago, Thiem won his first major tournament at the U.S. Open in New York. Serena Williams and Nadal were to follow Thiem on Chatrier, the main court at Roland Garros.

Naomi Osaka, of Japan, leaves the court after winning her match with Anett Kontaveit, of Estonia, during the quarterfinals at the Western & Southern Open tennis tournament Wednesday, Aug. 26, 2020, in New York. Soon after, the whole tournament was put on hold for a day. Osaka tweeted that as a Black woman, she feels compelled to pull out of the tournament to put a focus on police shooting Black people. "Watching the continued genocide of Black people at the hand of the police is honestly making me sick to my stomach. I have to be patient, to try to enjoy every single match I play here after six months without competing.

Novak Djokovic, of Serbia, returns a shot from Tennys Sandgren during the third round at the Western & Southern Open tennis tournament Tuesday, Aug. 25, 2020, in New York. (AP Photo/Frank Franklin II)NEW YORK Novak Djokovics neck felt much better, and his tennis looked much better, in a 6-2, 6-4 victory over unseeded American Tennys Sandgren at the Western & Southern Open on Tuesday that improved the No. The Western & Southern Open is usually held in Ohio but was moved to the U.S. Opens site in Flushing Meadows this year to make for a two-event, no-spectator bubble amid the pandemic. He has won five of the past seven Grand Slam tournaments, including at the Australian Open in February. Womens quarterfinal matchups set earlier in the day were two-time Grand Slam champion Naomi Osaka against Anett Kontaveit, former No.

A trainer works on the neck of Novak Djokovic, of Serbia, during his match with Ricardas Berankis, of Lithuania, during the second round at the Western & Southern Open tennis tournament Monday, Aug. 24, 2020, in New York. 1-ranked Djokovic was playing his first ATP match in six months because of the coronavirus pandemic; he pulled out of the doubles event Sunday because of his neck. That major championship's site in Flushing Meadows is hosting the Ohio-based Western & Southern Open, too, as part of an unusual doubleheader with no spectators. Like Djokovic, Serena Williams and Naomi Osaka emerged with difficult wins, while two-time Wimbledon champ Petra Kvitova, the No. Djokovic now meets American Tennys Sandgren, a 6-7 (4), 6-2, 7-6 (5) winner over No.