Andre Kirk Agassi is a retired American professional tennis player and former World No. 1. Generally considered by critics and fellow players to be one of the greatest tennis players of all time, Agassi has been called the best service returner in the history of the game. In singles tennis, Agassi is the only male player in history to have achieved a Career Golden Slam, and, along with Rod Laver, Don Budge, Fred Perry, Roy Emerson, and Roger Federer, one of six men to have achieved a Career Grand Slamâ€”one of three (with Laver and Federer) since the beginning of the Open Era. He won eight Grand Slam singles tournaments from sixteen Grand Slam final appearances, rendering him joint fifth in Grand Slam singles tournament wins for male players, along with an Olympic gold medal in singles. In addition to his Grand Slam and Olympic singles titles, he won seventeen ATP Masters Series tournaments, a record from 2004-2010. He won the 1990 ATP Tour World Championships and was part of a winning Davis Cup team in 1990 and 1992.