| Past champions | |||
| Year | Winner | Score | Course |
| 1999 | Carlos Franco | 264 (20-under) | Brown Deer Park GC, Milwaukee, Wis. |
| 1998 | Jeff Sluman | 265 (19-under) | Brown Deer Park GC, Milwaukee, Wis. |
| 1997 | Scott Hoch | 268 (16-under) | Brown Deer Park GC, Milwaukee, Wis. |
| 1996 | x-Loren Roberts | 265 (19-under) | Brown Deer Park GC, Milwaukee, Wis. |
| 1995 | Scott Hoch | 269 (15-under) | Brown Deer Park GC, Milwaukee, Wis. |
| 1994 | Mike Springer | 268 (16-under) | Brown Deer Park GC, Milwaukee, Wis. |
| 1993 | x-Billy Mayfair | 270 (18-under) | Tuckaway CC, Franklin, Wis. |
| 1992 | Richard Zokol | 269 (19-under) | Tuckaway CC, Franklin, Wis. |
| 1991 | Mark Brooks | 270 (18-under) | Tuckaway CC, Franklin, Wis. |
| 1990 | x-Jim Gallagher Jr. | 271 (17-under) | Tuckaway CC, Franklin, Wis. |
| 1989 | Greg Norman | 269 (19-under) | Tuckaway CC, Franklin, Wis. |
| 1988 | Ken Green | 268 (20-under) | Tuckaway CC, Franklin, Wis. |
| 1987 | Gary Hallberg | 269 (19-under) | Tuckaway CC, Franklin, Wis. |
| 1986 | x-Corey Pavin | 272 (16-under) | Tuckaway CC, Franklin, Wis. |
| 1985 | Jim Thorpe | 274 (14-under) | Tuckaway CC, Franklin, Wis. |
| 1984 | Mark O'Meara | 272 (16-under) | Tuckaway CC, Franklin, Wis. |
| 1983 | x-Morris Hatalsky | 275 (13-under) | Tuckaway CC, Franklin, Wis. |
| 1982 | Calvin Peete | 274 (14-under) | Tuckaway CC, Franklin, Wis. |
| 1981 | Jay Haas | 274 (14-under) | Tuckaway CC, Franklin, Wis. |
| 1980 | Bill Kratzert | 266 (22-under) | Tuckaway CC, Franklin, Wis. |
| 1979 | Calvin Peete | 269 (19-under) | Tuckaway CC, Franklin, Wis. |
| 1978 | x-Lee Elder | 278 (10-under) | Tuckaway CC, Franklin, Wis. |
| 1977 | Dave Eichelberger | 278 (10-under) | Tuckaway CC, Franklin, Wis. |
| 1976 | Dave Hill | 270 (18-under) | Tuckaway CC, Franklin, Wis. |
| 1975 | Art Wall | 271 (17-under) | Tuckaway CC, Franklin, Wis. |
| 1974 | Ed Sneed | 276 (12-under) | Tuckaway CC, Franklin, Wis. |
| 1973 | Dave Stockton | 276 (12-under) | Tuckaway CC, Franklin, Wis. |
| 1972 | Jim Colbert | 271 (13-under) | Tripoli GC, Milwaukee, Wis. |
| 1971 | Dave Eichelberger | 270 (14-under) | Tripoli GC, Milwaukee, Wis. |
| 1970 | Deane Beman | 276 (8-under) | Northshore CC, Mequon, Wis. |
| 1969 | Ken Still | 277 (7-under) | Northshore CC, Mequon, Wis. |
| 1968 | Dave Stockton | 275 (9-under) | Northshore CC, Mequon, Wis. |
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