Second-seeded Serena Williams and No. 3 Venus Williams pulled off victories in straight sets Wednesday to reach the third round of the U.S. Open. Serena Williams needed just 53 minutes to dispose of Melinda Czink in an evening match.

Third-seeded Venus Williams beat Bethanie Mattek-Sands 6-4, 6-2 Wednesday, advancing to the third round at the U.S.

Caroline Wozniacki and Elena Vesnina advanced to the championship match Friday at the rain-marred Pilot Pen, the final tune-up for the U.S. Open. Poor weather forced the women's semifinals indoors at Yale University.

Amelie Mauresmo, seeking a return to the form that once made her the top ranked player in the world, won a spot in the semifinals Thursday at the Pilot Pen. In the final tournament prior to next week's U.S.

Top-seeded Svetlana Kuznetsova survived a third-set tiebreaker Wednesday to capture a berth in the quarterfinals of the Pilot Pen in New Haven, Conn. Kuznetsova, ranked sixth in the world, defeated Yanina Wickmayer 6-4, 5-7, 7-6 (7-2) and will meet Amelie Mauresmo in the quarterfinals Thursday.