September 5, 2012: Andy Roddick (USA) who announced his retirement to professional tennis, says farewell after his loss to Juan Martin Del Potro (ARG) during their quarterfinal Men's Singles match on Day 10 of the 2012 U.S. Open Tennis Championships at the USTA Billie Jean King National Tennis Center in Flushing, Queens, New York, USA. Credit: mpi105/MediaPunch Inc.