Caroline Wozniacki continues winning streak by beating Qatar in Qatar . Dane comes to Doha off the back of her Dubai Open success . Third seed and Czech Open champion Francesca Schiavone loses to Peng Shuai . Third seed Dane reaches quarterfinals by beating Doha .
Caroline Wozniacki continues winning streak by beating Nadia Petrova in Qatar . Dane comes to Doha off the back of her Dubai Open success . Third seed and French Open champion Francesca Schiavone loses to Peng Shuai . Second seed Vera Zvonareva reaches quarterfinals by beating Dominika Cibulkova .