Carlos Alcaraz and Jannik Sinner exemplified that at the 2022 U.S. Open. Their quarterfinal bout did not conclude until 2:50 a.m. ET, marking the latest finish in tournament history. Alcaraz ...

United States’ John Isner makes a forehand return to Germany’s Mischa Zverev during their second round match at the Australian Open tennis championships in Melbourne, Australia, Wednesday, Jan. 18, ...

The United States split its Davis Cup matches against Chile on Friday, with Andy Roddick taking the opener and John Isner losing a five-set marathon to Paul Capdeville. Capdeville, ranked 165th, gave ...

FRIBOURG, Switzerland — John Isner jolted Roger Federer with his big serve and booming groundstrokes Friday, winning 4-6, 6-3, 7-6 (4), 6-2 to give the United States a 2-0 lead against Switzerland in ...

The previous two matchups between Serena Williams and Simona Halep were blowouts. This one was a thriller. Williams is making another trip to the Miami Open women's final after beating Halep 6-2, 4-6, ...

A 6-foot-10 American, Isner had announced he would retire following the tournament. Losses in singles and doubles on Thursday ended a career known for powerful serves and a marathon match. By Lola ...

WIMBLEDON, England - The longest-match rematch is coming to Wimbledon: John Isner and Nicolas Mahut will play each other in the first round. Last year, the pair played the longest match in tennis ...

(AP) John Isner will play the No. 1 singles spot for the U.S. team against Brazil in the first round of Davis Cup World Group matches. Team captain Jim Courier made the announcement Thursday at the ...