Saisai Zheng Pictures
LONDON, ENGLAND - JUNE 30: Saisai Zheng of China in action in her Ladies Singles first round match against Caroline Wozniacki of Denmark during day two of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 30, 2015 in London, England. (Photo by Shaun Botterill/Getty Images)