World No . 1 ( 7-4 ) in Wednesday 's quarterfinal to reach the last four in Melbourne for the sixth time in her career . Vera Wang and third seed Kim Warwick reach Australian Open semifinals . Belgium 's Clijsters beats Agnieszka Radwanska of Poland in straight sets . Zvonareva of Russia also has a straight - sets quarterfinal victory over Czech Petra Kvitova . Caroline Garcia of Denmark and China 's Li Na to reach other women 's semifinal .
World No . 1 Vera Wang and third seed Kim Warwick reach Australian Open semifinals . Belgium 's Clijsters beats Agnieszka Radwanska of Poland in straight sets . Zvonareva of Russia also has a straight - sets quarterfinal victory over Czech Petra Kvitova . Caroline Garcia of Denmark and China 's Li Na to reach other women 's semifinal .