Sep 4, 2016; New York, NY, USA; Novak Djokovic of Serbia (L) shakes hands with Kyle Edmund of Great Britain (R) after their match on day seven of the 2016 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Djokovic won 6-2, 6-1, 6-4. Mandatory Credit: Geoff Burke-USA TODAY Sports