The four biggest tournaments in tennis cooperate to sustain their primacy. They're also constantly trying to one-up each ...

Britain's Emma Raducanu lost in the first round of the Abu Dhabi Open as she went down in straight sets to former Wimbledon ...

Former World No. 1 Simona Halep, who won two Grand Slams before a doping suspension, announced her retirement on Tuesday following a loss at the Transylvania Open in Cluj-Napoca, Romania. Halep, 33, ...