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SHANGHAI, CHINA - OCTOBER 10: Kevin Anderson of Republic of South Africa serves to Adrian Mannarino of France during Round 1 of Men's Single on Day 3 of 2017 ATP Shanghai Rolex Masters at Qizhong Stadium on October 10, 2017 in Shanghai, China. (Photo by Kevin Lee/Getty Images)

SHANGHAI, CHINA - OCTOBER 10:  Kevin Anderson of Republic of South Africa serves to Adrian Mannarino of France during Round 1 of Men's Single on Day 3 of 2017 ATP Shanghai Rolex Masters at Qizhong Stadium on October 10, 2017 in Shanghai, China.  (Photo by Kevin Lee/Getty Images)