2013 Citi Open Semi Finals

John Isner (USA) hit 18 aces in his victory over Dmitry Tursunov (of Russia). In 2010 Isner won the longest match is tennis history (11 hours 5 minutes over 3 days). Today he needed three sets to send Dmitry to the showers, 67 63 64. Isner will face Juan Del Potro in the finals on Sunday August 4th....ATP