Tennis News

Serena Williams, who hadn't played a competitive match since winning last year's Australian Open, lost an exhibition match against Jelena Ostapenko on Saturday.

Jack Sock and CoCo Vandeweghe won singles matches to help the U.S. beat Russia in the opening tie of the mixed team Hopman Cup event.

Novak Djokovic has withdrawn from next week's Qatar Open with an elbow injury placing a serious doubt over his participation in the Australian Open.

Roger Federer made a winning start to the new season, easing to a 6-4 6-3 victory over Japan's Yuichi Sugita at the Hopman Cup in Perth.

Serena Williams was beaten in her first match since childbirth but performed well enough to suggest she can be very competitive in 2018.

Six-time Australian Open champion Novak Djokovic's hopes of playing in Melbourne in two weeks have taken another hit after he withdrew from next week's Qatar Open due to an ongoing elbow injury.