Caroline Wozniacki beats Ana Ivanovic 6 - 3 7 - 5 in Australian Open quarterfinals . Both players have been former world number one players . Agnieszka Radwanska thrashes Sabine Lisicki in their quarterfinal . Jelena Jankovic beats Sam Stosur to reach the semifinals .
Caroline Wozniacki beats Ana Ivanovic 6-3 7-5 in Dubai Open quarterfinals . Both players have been former world number one ranked . Agnieszka Radwanska thrashes Sabine Lisicki in their quarterfinal . Jelena Jankovic beats Sam Stosur to reach the semifinals .