Marcin Matkowski Pictures

  • NEW YORK, NY - AUGUST 28: Christian Harrison and Ryan Harrison of the United States serve against Mariusz Fyrstenberg and Marcin Matkowski of Poland during their men's doubles first round match on Day Two of the 2012 U.S. Open at the USTA Billie Jean King National Tennis Center on August 28, 2012 in the Flushing neighborhood, of the Queens borough of New York City. (Photo by Chris Trotman/Getty Images for USTA)