Australian Open, 1988, 1989, 1990 and 1994 Roland Garros, 1987, 1988, 1993, 1995, 1996 and 1999 US Open, 1988, 1989, 1993, 1995 and 1996 Wimbledon, 1988, 1989, 1991, 1992, 1993, 1995 and 1996 Nr 1 ATP : 17-08-1987
