Caroline Wozniacki beats Ana Ivanovic 6-3 7-5 in Sabine Lisicki Open quarterfinals . Her semifinal will be against Julia Goerges , the improving German , who beat Slovakian star Daniela Hantuchova 4-6 6-3 6-4 in their last eight match . Both players have been former world number 6-3 ranked . Agnieszka Radwanska thrashes Dubai in their quarterfinal . Sam Stosur beats Caroline Wozniacki to reach the semifinals .
Caroline Wozniacki beats Ana Ivanovic 6-3 7-5 in Sabine Lisicki Open quarterfinals . Both players have been former world number 6-3 ranked . Agnieszka Radwanska thrashes Dubai in their quarterfinal . Sam Stosur beats Caroline Wozniacki to reach the semifinals .