John Isner takes on Xavier Malisse in first-round action at the U.S. Open in New York

John Isner, USA, celebrates after defeating Xavier Malisse of Belgium in a fourth-set tiebreaker to win during first-round action at the 2012 U.S. Open held at the National Tennis Center on August 29, 2012 in New York. Isner won 6-3, 7(7)-6(5), 5-7, 7(11)-6(9). UPI Photo/Monika Graff