Andy Roddick is a professional tennis player.
Andrew Stephen `` Andy '' Roddick ( born August 30 , 1982 ) is an American former professional tennis player . He became a Grand Slam singles champion , and world number one , when he won the title at the 2003 US Open , defeating Juan Carlos Ferrero in the final . The ATP Rankings are the Association of Tennis Professionals ' ( ATP ) merit-based method for determining the rankings in men 's tennis . World Team Tennis is a mixed-gender professional tennis league played with a team format in the United States , which was founded in 1973 .