Jurgen Melzer Pictures

  • WINSTON SALEM, NC - AUGUST 24: Gael Monfils of France stands in pain after Monfils retired in the second set due to an injury in the finals match against champion Jurgen Melzer of Austria during day 7 of the Winston-Salem Open at Wake Forest University on August 24, 2013 in Winston Salem, North Carolina. (Photo by Tyler Lecka/Getty Images)