NEW YORK - SEPTEMBER 07:   Robert Kendrick of the United States (L) and Janko Tipsarevic of Serbia on the court during their doubles match against Daniel Nestor of Canada and  Nenad Zimonjic of Serbia during day eight of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 7, 2009 in the Flushing neighborhood of the Queens borough of New York City. Getty Images logo Getty Images 29 months ago

NEW YORK - SEPTEMBER 07: Robert Kendrick of the United States (L) and Janko Tipsarevic of Serbia on the court during their doubles match against Daniel Nestor of Canada and Nenad Zimonjic of Serbia during day eight of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 7, 2009 in the Flushing neighborhood of the Queens borough of New York City.