Azarenka and Kvitova already in semifinals

Victoria Azarenka and Petra Kvitova remain undefeated in the WTA Championships in Istanbul, where he reached the semifinals yesterday. The Belarusian fourth in the world, passed over China's Li Na for a double 6-2. Before, he had defeated Samantha Stosur.

Meanwhile, the Czech Kvitova surprising champion at Wimbledon this year, took advantage of the fatigue that showed Caroline Wozniacki (even the doctor had to take full advantage tension) to defeat 6-4, 6-2. The Danes, who thanks to Sharapova's bad tournament (two defeats and withdrawal) will end up as number one, you still have options to contest the semi-finals as one Zvonareva defeated Radwanska who squandered three match.

The second target group it played between Na Li and Samantha Stosur.