Ag ‧ as ‧ si, An ‧ dre /ˈæɡəsi, ˈɒndreɪ $ ˈɑːn-/ BrE AmE
(1970–) an American tennis player who is one of the few players to have won all four major tennis ↑ tournament s : the Australian Open (1995, 2000, 2001, 2003), the French Open (1999), Wimbledon (1992), and the US Open (1993, 1999). He is married to the former tennis player Steffi Graf.