NEW YORK, USA - SEPTEMBER 11: Stan Wawrinka (C) of Switzerland is in action against Novak Djokovic (not seen) of Serbia during their Men's Singles Final Match on Day Fourteen of the 2016 US Open at the USTA Billie Jean King National Tennis Center New York City, NY, United States on September 11, 2016. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images)
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