2011 Atlanta Tennis Championships Semifinals - 7/23/11 - Douglas Digital Imagery

John Isner (USA) pumps his fist after hitting a winner against Gilles Muller (LUX) during the semifinal match. John Isner defeated Gilles Muller in three sets 7-5, 6-7, 6-1 in the Semifinal Match on Saturday in the Atlanta Tennis Championships at the Racquet Club of the South in Norcross, GA.