Mandy Minella, Luxembourg, def. Olivia Rogowska, Australia, 6-2, 3-6, 6-3.

Romina Oprandi, Switzerland, def. Andrea Petkovic, Germany, 6-2, 7-5.

Lucie Safarova (15), Czech Republic, def. Melanie Oudin, United States, 6-4, 6-0.

Simona Halep, Romania, def. Iveta Benesova, Czech Republic, 7-5, 7-6 (5).

Varvara Lepchenko (31), United States, def. Mathilde Johansson, France, 6-3, 3-6, 7-5.

Maria Sharapova (3), Russia, def. Melinda Czink, Hungary, 6-2, 6-2.

Lourdes Dominguez Lino, Spain, def. Sesil Karatantcheva, Kazakhstan, 6-4, 6-1.

Mallory Burdette, United States, def. Timea Bacsinszky, Switzerland, 6-4, 6-3.

Edina Gallovits-Hall, Romania, def. Stefanie Voegele, Switzerland, 7-5, 6-4.

Petra Kvitova (5), Czech Republic, def. Polona Hercog, Slovenia, 7-6 (6), 6-1.

Yanina Wickmayer (25), Belgium, def. Julia Glushko, Israel, 7-5, 6-2.

Anastasia Rodionova, Australia, def. Julia Cohen, United States, 6-3, 6-0.

Kim Clijsters (23), Belgium, def. Victoria Duval, United States, 6-3, 6-1.

Alize Cornet, France, def. Nicole Gibbs, United States, 7-5, 6-3.

Laura Robson, Britain, def. Samantha Crawford, United States, 6-3, 7-6 (6).

Zheng Jie (28), China, def. Virginie Razzano, France, 4-6, 6-2, retired.

Victoria Azarenka (1), Belarus, def. Alexandra Panova, Russia, 6-0, 6-1.

Anastasia Pavlyuchenkova (17), Russia, def. Daniela Hantuchova, Slovakia, 6-4, 7-6 (1).

Magdalena Rybarikova, Slovakia, def. Hsieh Su-wei, Taiwan, 6-3, 2-6, 6-3.

Pauline Parmentier, France, def. Michaella Krajicek, Netherlands, 6-2, 6-4.