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TORONTO, ON - AUGUST 07: Kei Nishikori of Japan reacts after winning a point against Robin Haase of The Netherlands during a 1st round match on Day 2 of the Rogers Cup at Aviva Centre on August 7, 2018 in Toronto, Canada. (Photo by Vaughn Ridley/Getty Images)

TORONTO, ON - AUGUST 07:  Kei Nishikori of Japan reacts after winning a point against Robin Haase of The Netherlands during a 1st round match on Day 2 of the Rogers Cup at Aviva Centre on August 7, 2018 in Toronto, Canada.  (Photo by Vaughn Ridley/Getty Images)