DUBAI (Reuters) - Czech Petra Kvitova defeated titleholder Agnieszka Radwanska 6-2 6-4 in the Dubai Championships on Thursday to set up a semi-final against Caroline Wozniacki.
Italian Roberta Vinci will play compatriot and doubles partner Sara Errani in the other semi after prolonging Samantha Stosur's woes this season with 6-2 6-4 win over the seventh seed.
