NEW YORK — Inside a small interview room Tuesday at the U.S. Open, with only four reporters in attendance, Stefanos Tsitsipas essentially announced that he’s at a crisis point in his tennis career.

In the cut-throat world of professional tennis, a 17-year-old photograph is a rare artifact of a friendship that has outlasted the rivalry on court. One such bond is shared by Stefanos Tsitsipas and ...

The second round of Wimbledon is drawing to a close and third round ties get underway on Friday. Novak Djokovic put on a show ...

Stefanos Tsitsipas is looking to hit the reset button on what has been a difficult season, both professionally and personally. The Greek star, who currently holds a modest 20–16 win-loss record in ...

The 20-year-old Greek beat Federer 6-7 (11) 7-6 (3) 7-5 7-6 (5) to move through to a first grand slam quarter-final ...