U.S. Open champion Serena Williams says a hamstring injury will keep her out of next month's Hopman Cup, an Australian Open tuneup tournament. The Hopman event is played in Perth, Australia, in early January, two weeks prior to the open in Melbourne, which begins Jan. 19. Williams, ranked No.

NEW YORK (Reuters) - Top seed Amelie Mauresmo fought off Meghann Shaughnessy 6-4 6-3 to reach the third round of the U.S. Open on Thursday.

NEW YORK (Reuters) - Top seed Amelie Mauresmo reached the second round of the U.S. Open a day later than originally scheduled when she beat German qualifier Kristina Barrois 6-1 7-5 on Wednesday.

By Mark Lamport-Stokes CARSON, California (Reuters) - Serena Williams is considering playing one more tournament in her comeback from injury before the U.S. Open starts on August 28.

By Mark Lamport-Stokes CARSON, California (Reuters) - Resurgent Serena Williams overcame a strong challenge from fellow American Meghann Shaughnessy to move into the Los Angeles Open semi-finals with a 6-7 6-1 6-4 win on Friday.