Andre Agassi won Grand Slam tournaments.
Andre Agassi . In singles tennis , Agassi is an eight-time Grand Slam champion and a 1996 Olympic gold medalist , as well as finishing runner-up in seven other Grand Slam tournaments . Agassi is one of five male singles players to achieve the Career Grand Slam in the Open Era and one of eight in history , the first of two to achieve the Career Golden Slam ( Career Grand Slam and Olympic Gold Medal , the other being Rafael Nadal ) , and the only man to win the Career Golden Slam and the ATP Tour World Championships ( won in 1990 ) : a distinction dubbed as a `` Career Super Slam '' by Sports Illustrated .