Caroline Wozniacki of Denmark hits a return to Vera Zvonareva of Russia during a match at the WTA tennis championships in Istanbul, Turkey, on Oct. 26, 2011. Caroline Wozniacki lost 1-2. (Xinhua/Ozkan)
Caroline Wozniacki of Denmark hits a return to Vera Zvonareva of Russia during a match at the WTA tennis championships in Istanbul, Turkey, on Oct. 26, 2011. Caroline Wozniacki lost 1-2. (Xinhua/Ozkan)