Agnieszka Radwanska, the No. 5 women's seed, retired before the start of the third set of her match against Virginie Razzano because of a right hand injury.

Razzano advances to the quarterfinals against the winner of the Caroline Wozniacki/Anastasia Pavlyuchenkova match.

No. 9 seed Samantha Stosur was eliminated by Elena Vesnina 3-6, 6-3, 6-4.