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TORONTO, ON - AUGUST 10: Stefanos Tsitsipas of Greece celebrates a point against Alexander Zverev of Germany during a quarter final match on Day 5 of the Rogers Cup at Aviva Centre on August 10, 2018 in Toronto, Canada. (Photo by Vaughn Ridley/Getty Images)

TORONTO, ON - AUGUST 10: Stefanos Tsitsipas of Greece celebrates a point against Alexander Zverev of Germany during a quarter final match on Day 5 of the Rogers Cup at Aviva Centre on August 10, 2018 in Toronto, Canada. (Photo by Vaughn Ridley/Getty Images)
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Getty Images Sport Vaughn Ridley