Serena Williams taken to three sets by Zheng Jie . Four - time champion Venus next face world ##l . Shvedova took every point in first set in beating Sara White . Serving second , she continued to hold until the 15th game when her sixth seeded opponent broke through . Defending champion Petra Kvitova eases through .
Serena Williams taken to three sets by Zheng Jie . Four - time champion Venus next face world ##l . Shvedova took every point in first set in beating Sara White . Defending champion Petra Kvitova eases through .