At USTA National Tennis Center

In Flushing Meadows, N.Y.

Through Sept. 12

Yesterday's key results

Men -- No. 2 Andy Roddick def. Rafael Nadal, 6-0, 6-3, 6-4; No. 4 Lleyton Hewitt def. Hicham Arazi, 7-6 (9-7), 6-1, 6-2; Stefan Koubek def. No. 7 Juan Carlos Ferrero, 7-6 (7-2), 4-6, 6-7 (8-6), 6-2, 6-3; Mikhail Youzhny, Russia, def. No. 8 David Nalbandian, 6-7 (7-4), 6-4, 7-5, 2-6, 6-4; No. 28 Joachim Johansson def. Jan-Michael Gambill, 6-4, 7-5, 7-5; Jurgen Melzer def. No. 23 Vince Spadea, 6-3, 4-6, 3-6, 6-3, 6-4.

Women -- No. 2 Amelie Mauresmo def. No. 31 Maria Vento-Kabchi, 6-2, 6-0; No. 3 Serena Williams def. Tatiana Golovin, 7-5, 6-4; No. 8 Jennifer Capriati def. Vera Douchevina, 6-0, 6-7 (7-4), 6-3; No. 12 Ai Sugiyama def. Jelena Kostanic, 6-1, 6-3.

Today's Featured Matches

Men -- No. 1 Roger Federer vs. Fabrice Santoro; No. 6 Andre Agassi vs. Jiri Novak; No. 3 Carlos Moya vs. Olivier Rochus.

Women -- No. 5 Lindsay Davenport vs. Elena Bovina; No. 7 Maria Sharapova vs. Mary Pierce; No. 11 Venus Williams vs. Chanda Rubin.