The big-serving John Isner says he must serve huge if he is going to have any chance against Roger Federer in the United States' Davis Cup tie against Switzerland on Friday. "In any match ...

John Isner had a really great career for a player with his characteristics. The former American ace managed to play an ...

NEW YORK (AP) John Isner served 17 aces Sunday night ... when Andy Roddick won at Flushing Meadows. Isner's serve topped out at 139 mph and he brought his ace total to 51 for the tournament ...

John Isner has won the longest tennis match on record by beating Nicolas Mahut 70-68 in the final set at Wimbledon. Picking up at 59-59 in the fifth set Thursday, the match continued on serve with ...

WIMBLEDON, England (AP)—When John Isner ... there,” Isner said, “even though that’s exactly what we both were.” The match lasted so long because neither player could break serve.