Serena Williams (USA) vs. Sorana Cirstea (ROU) | 4/6 6/3 5/4

Anastasia Pavlyuchenkova (RUS) vs. Galina Voskoboeva (KAZ) | 3/6 6/1 3/6

Caroline Wozniacki (DEN) vs. Ekaterina Makarova (RUS) | 6/1 6/3

Elina Svitolina (UKR) vs. Angelique Kerber (GER) | 3/6 0/6

Agnieszka Radwanska (POL) vs. Venus Williams (USA) | 6/2 3/6 4/6

Julia Goerges (GER) vs. Ana Ivanovic (SRB) | 2/6 3/6

Nadia Petrova (RUS) vs. Simona Halep (ROU) | 6/3 7/6

Sabine Lisicki (GER) vs. Arantxa Rus (NED) | 6/4 6/3

Na Li (CHN) vs. Yaroslava Shvedova (KAZ) | 6/1 6/1

Klara Zakopalova (CZE) vs. Maria Kirilenko (RUS) | 3/6 1/6

Kristyna Pliskova (CZE) vs. Flavia Pennetta (ITA) | 3/6 0/6

Irina-Camelia Begu (ROU) vs. Annika Beck (GER) | 2/6 2/6

Shuai Peng (CHN) vs. Lucie Safarova (CZE) | 7/6 5/7 1/2

Jelena Jankovic (SRB) vs. Samantha Stosur (AUS) | 6/3 6/3

Dominika Cibulkova (SVK) vs. Sloane Stephens (USA) | 1/6 2/6

Jie Zheng (CHN) vs. Maria Sharapova (RUS) | 1/6 1/6