Singles - Fourth Round (2) Vera Zvonareva (RUS) d. (22) Sabine Lisicki (GER) 62 63 (9) Samantha Stosur (AUS) d. (25) Maria Kirilenko (RUS) 62 67(15) 63 (26) Flavia Pennetta (ITA) d. (13) Peng Shuai (CHN) 64 76(6) Angelique Kerber (GER) d. Monica Niculescu (ROU) 64 63
Doubles - Third Round (4) Huber/Raymond (USA/USA) d. (16) Gajdosova/Mattek-Sands (AUS/USA) 62 76(5) (9) Benesova/Zahlavova Strycova (CZE/CZE) d. (6) Mirza/Vesnina (IND/RUS) 76(4) 76(5) (8) Hlavackova/Hradecka (CZE/CZE) d. Klepac/Tatishvili (SLO/GEO) 36 63 63
In the longest two-set match of the women's singles event, No. 26 Flavia Pennetta backed up her upset win over No. 3 Maria Sharapova by reaching the quarterfinals at the US Open for the third time in the last four years, beating No. 13 Shuai Peng 6-4, 7-6 in two-and-a-half hours. Serena Williams defeated World Number 4 Victoria Azarenka in straight sets yesterday to reach the fourth round
