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CINCINNATI, OH - AUGUST 22: Andy Murray of Great Britain celebrates a point during his semifinal match against Roger Federer of Switzerland on Day 8 of the Western & Southern Open at the Lindner Family Tennis Center on August 22, 2015 in Cincinnati, Ohio. (Photo by Maddie Meyer/Getty Images)

CINCINNATI, OH - AUGUST 22:  Andy Murray of Great Britain celebrates a point during his semifinal match against Roger Federer of Switzerland on Day 8 of the Western & Southern Open at the Lindner Family Tennis Center on August 22, 2015 in Cincinnati, Ohio.  (Photo by Maddie Meyer/Getty Images)