| Year | Debater | Record | Result |
|---|---|---|---|
| 1999 | Erin Kaufenberg & Joe Sexton | 3-3 | Champion |
| 1999 | Jim Agan & Michael Ulrich | 2-4 | Did Not Clear |
| 1998 | Katie Mayer & Jessica Patridge | 3-3 | Did Not Clear |
| 1998 | Jim Agan & Joe Sexton | 2-4 | Did Not Clear |
| 1997 | Annie Kastanek & Katie Mayer | 3-3 | Did Not Clear |
| 1997 | Jim Agan & Jessica Patridge | 1-5 | Did Not Clear |
| 1996 | Tony Hoang & Mike Mettler | 4-2 | Finalist |
| 1996 | Annie Kastanek & Katie Mayer | 3-3 | Did Not Clear |
| 1995 | Brendan Kelly & Tony Hoang | 3-3 | Did Not Clear |
| 1995 | Shane Colin & Jared Grigg | 4-2 | Quarterfinalist |
| 1994 | Shane Colin & Jared Grigg | Unknown | Did Not Clear |
| 1994 | Tony Hoang & Brendan Kelly | Unknown | Did Not Clear |
| 1993 | Shane Colin & Jared Grigg | 1-3 | Did Not Clear |
| 1992 | Basem Goueli & Matt Harrington | 2-2 | Semifinalist |
| 1991 | Dave Peterson & Laura Wiegand | 3-1 | Octafinalist |
| 1991 | Basem Goueli & Jay Sokolovsky | 3-1 | Quarterfinalist |
| 1990 | Peter Nikolai & David Peterson | 2-2 | Octafinalist |
| 1989 | Jill Fedoruk & Jeff Smith | 3-1 | Quarterfinalist |
| 1988 | Jill Fedoruk & Jeff Smith | 3-1 | Quarterfinalist |
| 1988 | Steve Ebel & Matt Kirkwood | 1-3 | Did Not Clear |
| 1987 | Jon Powers & Craig Trepanier | 4-0 | Finalist |
| 1983 | 1-3 | Did Not Clear | |
| 1980 | 0-4 | Did Not Clear | |
| 1979 | 0-4 | Did Not Clear | |
| 1978 | Ann Graney & Todd Haugen | Unknown | Did Not Clear |