1986 (8)
Hilton Head (clay); Amelia Island (clay); Indianapolis (clay); Berlin (clay); Mahwah (hard court); Pan Pacific (indoor); Brighton (indoor); Zurich (indoor).
1987 (11)
Delray Beach (hard court); Lipton (hard court); Hilton Head (hard court); Amelia Island (clay); Italian Open (clay); Berlin (clay); French Open (clay); Los Angeles (hard court); Hamburg (clay); Zurich (indoor); Virginia Slims Championships (indoor).
1988 (11)
Australian Open (hard court); U.S. Hardcourts (hard court); Lipton (hard court); Berlin (clay); French Open (clay); Wimbledon (grass); Hamburg (clay); Mahwah (hard court); U.S. Open (hard court); Olympics (hard court); Brighton (indoor).
1989 (14)
Australian Open (hard court); Virginia Slims Washington (indoor); U.S. Hardcourts (hard court); Delray Beach (hard court); Hilton Head (clay); Hamburg (clay); Berlin (clay); Wimbledon (grass); San Diego (hard court); Mahwah (hard court); U.S. Open (hard court); Zurich (indoor); Brighton (indoor); Virginia Slims Championships (indoor).
1990 (10)
Australian Open (hard court); Pan Pacific (indoor); Amelia Island (clay); Hamburg (clay); Canadian Open (hard court); San Diego (hard court); Leipzig (indoor); Zurich (indoor); Brighton (indoor); Virginia Slims New England (indoor).
1991 (7)
U.S. Hardcourts (hard court); Hamburg (clay); Berlin (clay); Wimbledon (grass); Leipzig (indoor); Zurich (indoor); Brighton (indoor).
1992 (8)
Delray Beach (hard court); Hamburg (clay); Berlin (clay); Wimbledon (grass); Leipzig (indoor); Zurich (indoor); Brighton (indoor); Virginia Slims Philadelphia (indoor).
1993 (10)
Delray Beach (hard court); Hilton Head (clay); Berlin (clay); French Open (clay); Wimbledon (grass); San Diego (hard court); Canadian Open (hard court); U.S. Open (hard court); Leipzig (indoor); WTA Championships (indoor).
1994 (7)
Australian Open (hard court); Pan Pacific (indoor); Indian Wells (hard court); Delray Beach (hard court); Lipton (hard court); Berlin (clay); San Diego (hard court).
1995 (9)
Paris (indoor); Delray Beach (hard court); Lipton (hard court); Houston (clay); French Open (clay); Wimbledon (grass); U.S. Open (hard court); Philadelphia (indoor); WTA Championships (indoor).
1996 (7)
Indian Wells (hard court); Lipton (hard court); Berlin (clay); French Open (clay); Wimbledon (grass); U.S. Open (hard court); Chase Championships (indoor).
1997 (1)
Strasbourg Open (clay).
1998 (3)
Pilot Pen (hard court); Leipzig (indoor); Philadelphia (indoor).
1999 (1)
French Open (clay).