Saisai Zheng Pictures
STANFORD, CA - AUGUST 09: (L-R) Yi-Fan Xu looks on as Saisai Zheng of China returns a shot against Anabel Medina Garrigues and Arantxa Parra Santonja of Spain in the doubles finals on Day 7 of the Bank of the West Classic at Stanford University Taube Family Tennis Stadium on August 9, 2015 in Stanford, California. (Photo by Ezra Shaw/Getty Images)