| Year | Winner | Score | Course |
| 1999 | Juli Inkster | 273 (15-under) | Randolph Park North, Tucson, Ariz. |
| 1998 | Helen Alfredsson | 274 (14-under) | Randolph Park North, Tucson, Ariz. |
| 1997 | Donna Andrews | 273 (15-under) | Randolph Park North, Tucson, Ariz. |
| 1996 | Liselotte Neumann | 276 (12-under) | Randolph Park North, Tucson, Ariz. |
| 1995 | Dottie Mochrie | 278 (10-under) | Randolph Park North, Tucson, Ariz. |
| 1994 | Donna Andrews | 276 (12-under) | Randolph Park North, Tucson, Ariz. |
| 1993 | Meg Mallon | 272 (16-under) | Randolph Park North, Tucson, Ariz. |
| 1992 | Brandie Burton | 277 (11-under) | Randolph Park North, Tucson, Ariz. |
| 1991 | Chris Johnson | 273 (15-under) | Randolph Park North, Tucson, Ariz. |
| 1990 | Colleen Walker | 276 (12-under) | Randolph Park North, Tucson, Ariz. |
| 1989 | Lori Garbacz | 274 (14-under) | Randolph Park North, Tucson, Ariz. |
| 1988 | Laura Davies | 278 (10-under) | Randolph Park North, Tucson, Ariz. |
| 1987 | Betsy King | 281 (7-under) | Randolph Park North, Tucson, Ariz. |
| 1986 | Penny Pulz | 276 (12-under) | Randolph Park North, Tucson, Ariz. |
| 1985 | Amy Alcott | 279 (9-under) | Randolph Park North, Tucson, Ariz. |
| 1984 | Chris Johnson | 272 (16-under) | Randolph Park North, Tucson, Ariz. |
| 1983 | y-Jan Stephenson | 207 (9-under) | Randolph Park North, Tucson, Ariz. |
| 1982 | x-Ayako Okamoto | 281 (7-under) | Randolph Park North, Tucson, Ariz. |
| 1981 | Nancy Lopez | 278 (10-under) | Randolph Park North, Tucson, Ariz. |