Steffi Graf, Andre Agassi, and Monica Seles are all four-time champions of the Australian Open. Steffi Graf won the tournament in 1988, 1989, 1990, and 1994. Andre Agassi won the tournament in 1995, 2000, 2001, and 2003. Monica Seles won the tournament in 1991, 1992, 1993, and 1996. All three of these tennis players have achieved great success in the Australian Open, and their four titles each make them four-time champions of the tournament.