Caroline Wozniacki of Denmark hits a return to Karin Knapp of Italy during their WTA Istanbul Cup match in Istanbul, July 16, 2014. Wozniacki won the match 2-1. (Xinhua/Lu Zhe)
Karin Knapp of Italy hits a return to Caroline Wozniacki of Denmark during their WTA Istanbul Cup match in Istanbul, July 16, 2014. Wozniacki won the match 2-1. (Xinhua/Lu Zhe)
Caroline Wozniacki of Denmark hits a return to Karin Knapp of Italy during their WTA Istanbul Cup match in Istanbul, July 16, 2014. Wozniacki won the match 2-1. (Xinhua/Lu Zhe)
Francesca Schiavone of Italy hits a return to Bojana Jovanovski of Serbia during the WTA Istanbul Cup match in Istanbul, July 16, 2014. Schiavone won 2-0. (Xinhua/Lu Zhe)