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2013 U.S. Open - Preview

NEW YORK, NY - AUGUST 24: Mirka Federer leaves the practice courts with one of her children after watching her husband Roger Federer of Switzerland during a practice session ahead of the 2013 US Open at USTA Billie Jean King National Tennis Center on August 24, 2013 in New York City. (Photo by Dan Istitene/Getty Images for the USTA)

US Open: Practice session

25 August 2013

Images from the practice session before the start of the 2013 US Open in New York.

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