Li Na, Kuznetsova out, Murray through

Number five seed Svetlana Kuznetsova took on Sabine Lisicki. The French Open champion endured a terrible first set,and despite improving in the second, the Russian went down to the promising German teenager 6-2, 7-5.

Meanwhile, China's hopeful Li Na faced Poland's Agnieszka Radwanska. The Chinese played well early in the match thanks to fierce ground strokes.

19th seed Li Na fell apart with numerous errors  as the Polish knocked out the Chinese 6-4, 7-5.

But Li, the 19th seed fell apart later on with numerous errors as the Polish knocked out the Chinese 6-4, 7-5.

Meanwhile, defending champion Venus Williams beat Carla Suarez Navarro of Spain 6-0, 6-4.

She will meet Serbia's Ana Ivanovic, who ousted Samantha Stosur 7-5, 6-2.