Winston-Salem Open - Day 6 [Getty Images]

WINSTON-SALEM, NC - AUGUST 24: John Isner of the USA serves to Jo-Wilfried Tsonga of France during the semifinals of the Winston-Salem Open at Wake Forest University on August 24, 2012 in Winston-Salem, North Carolina. (Photo by Streeter Lecka/Getty Images)

Getty Images Sport Streeter Lecka