Janko Tipsarevic Pictures

  • NEW YORK, NY - SEPTEMBER 02: Janko Tipsarevic of Serbia serves to David Ferrer of Spain during their fourth round men's singles match on Day Eight of the 2013 US Open at USTA Billie Jean King National Tennis Center on September 2, 2013 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Clive Brunskill/Getty Images)