ATLANTA, GA - JULY 20: Gilles Muller of Luxemburg returns a shot to Matthew Ebden of Australia during the BB&T Atlanta Open at Atlantic Station on July 20, 2012 in Atlanta, Georgia. (Photo by ... more 

ATLANTA, GA - JULY 20: Gilles Muller of Luxemburg returns a shot to Matthew Ebden of Australia during the BB&T Atlanta Open at Atlantic Station on July 20, 2012 in Atlanta, Georgia. (Photo by Matthew Stockman/Getty Images) less