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WUHAN, CHINA - SEPTEMBER 28: The former WTA player Li Na of China with Martina Hingis of Switzerland during the Yellow Crane Tower event on Day 2 of 2015 Dongfeng Motor Wuhan Open on September 28, 2015 in Wuhan, China. (Photo by Zhong Zhi/Getty Images)

WUHAN, CHINA - SEPTEMBER 28: The former WTA player Li Na of China with Martina Hingis of Switzerland during the Yellow Crane Tower event on Day 2 of 2015 Dongfeng Motor Wuhan Open on September 28, 2015 in Wuhan, China. (Photo by Zhong Zhi/Getty Images)
Getty Images

Getty Images Sport Zhong Zhi