U.S. Open Seeds Fared

Juan Martin del Potro (17), Argentina, def. Thomaz Bellucci, Brazil, 4-6, 6-1. 7-5. 6-3.

Mardy Fish, United States, def. Paul-Henri Mathieu (24), France, 6-2, 3-6, 6-3, 6-4.

Viktor Troicki, Serbia, def. Philipp Kohlschreiber (25), Germany, 2-6, 6-3, 6-4, 3-0, retired.

Gael Monfils (32), France, def. Evgeny Korolev, Russia, 6-2, 6-3, 3-6, 6-4.

Women

Second Round

Julie Coin, France, def. Ana Ivanovic (1), Serbia, 6-3, 4-6, 6-3.

Serena Williams (4), United States, def. Elena Vesnina, Russia, 6-1, 6-1.

Dinara Safina (6), Russia, def. Roberta Vinci, Italy, 6-4, 6-3.

Venus Williams (7), United States, def. Rossana de Los Rios, Paraguay, 6-0, 6-3.

Agnieszka Radwanska (9), Poland, def. Mariana Duque Marino, Colombia, 6-0, 7-6 (3).

Tathiana Garbin, Italy, def. Agnes Szavay (13), Hungary, 5-7, 6-2, 6-3.

Flavia Pennetta (16), Italy, def. Peng Shuai, China, 6-2, 6-7 (8), 6-1.

Alize Cornet (17), France, def. Bethanie Mattek, United States, 7-6 (5), 6-1.

Dominika Cibulkova (18), Slovakia, def. Ioana Raluca Olaru, Romania, 6-2, 6-2.

Nadia Petrova (19), Russia, def. Hsieh Su-wei, Taiwan, 6-4, 6-2.

Severine Bremond, France, def. Nicole Vaidisova (20), Czech Republic, 7-5, 6-3.

Alona Bondarenko (27), Ukraine, def. Sabine Lisicki, Germany, 6-4, 1-6, 6-4.

Ai Sugiyama (30), Japan, def. Olga Govortsova, Belarus, 4-6, 7-6 (4), 6-1.

Amelie Mauresmo (32), France, def. Kaia Kanepi, Estonia, 2-6, 6-4, 6-0.