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NEW YORK, NY - SEPTEMBER 03: Tomas Berdych of the Czech Republic reacts after winning his men's singles fourth round match against Nicolas Almagro of Spain on Day Eight of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 3, 2012 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Cameron Spencer/Getty Images)

NEW YORK, NY - SEPTEMBER 03:  Tomas Berdych of the Czech Republic reacts after winning his men's singles fourth round match against Nicolas Almagro of Spain on Day Eight of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 3, 2012 in the Flushing neighborhood of the Queens borough of New York City.  (Photo by Cameron Spencer/Getty Images)