NEW YORK, NY - SEPTEMBER 07:  Andy Murray of Great Britain walks off of the court after being defeated by Kei Nishikori of Japan during their Men's Singles Quarterfinal match on Day Ten of the 2016 US Open at the USTA Billie Jean King National Tennis Center on September 7, 2016 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Mike Hewitt/Getty Images)
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