NEW YORK, NY - SEPTEMBER 01:  Andy Murray of Great Britain reacts after winning a point against Jo-Wilfried Tsonga of France during their men's singles fourth round match on Day Eight of the 2014 US Open at the USTA Billie Jean King National Tennis Center on September 1, 2014 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Julian Finney/Getty Images)