| Year | Debater | Record | Result |
|---|---|---|---|
| 2013 | Priyanka Narayan & Haley Larsen | 3-2 | Semifinalist |
| 2013 | Kate Carroll & Kate Gehling | 3-2 | Quarterfinalist |
| 2012 | Alex Bahls & Meghna Sohoni | 3-2 | Quarterfinalist |
| 2012 | Catherine Sun & Naveen Jain | 3-2 | Did Not Clear |
| 2011 | Alex Bahls & Luke Plutowski | 4-1 | Semifinalist |
| 2011 | Miranda Ehrlich & Meghna Sohoni | 4-1 | Finalist |
| 2010 | Krishnan Ramanujan, Dru Svoboda & Shruti Satish (Alt) | 4-1 | Semifinalist |
| 2009 | Noah Rosenthal, Krishnan Ramanujan & Dru Svoboda (Alt) | 4-1 | Semifinalist |
| 2009 | Jenn Beard, Ogi Zugic & Sarah Strandell (Alt) | 3-2 | Did Not Clear |
| 2008 | Megan Swenson & Chrissy Boyd | 3-2 | Quarterfinalist |
| 2008 | Joe Lance & Hannah Furfaro | 4-1 | Semifinalist |
| 2007 | Ava Ferenci & Catie Shawley | 3-2 | Did Not Clear |
| 2007 | Ana Nikolic & Megan Swenson | 4-1 | Champion |
| 2006 | Thomas Langle & Aneesh Sohoni | 4-1 | Finalist |
| 2006 | Patrick Heffner & Boris Kessler | 5-0 | Semifinalist |
| 2005 | Thomas Langle & Tony Tracy | 3-2 | Semifinalist |
| 2005 | Monica Maalouf & Aneesh Sohoni | 3-2 | Quarterfinalist |
| 2004 | Katelyn Donnelly & Sarah Waldrop | 4-1 | Quarterfinalist |
| 2004 | Ben Chiles & Emily Faltesek | 3-2 | Quarterfinalist |
| 2003 | Katelyn Donnelly & Sarah Waldrop | 3-2 | Quarterfinalist |
| 2003 | Emily Faltesek & Joe Pickard | 2-3 | Did Not Clear |
| 2002 | Dan Faltesek & Laura Meyer | 4-2 | Semifinalist |
| 2002 | Nwamaka Ejebe & Dixie Rizzi | 3-3 | Did Not Clear |
| 2001 | Dan Faltesek & Eshan Tabesh | 3-3 | Did Not Clear |
| 2001 | Sarah Black & Liz Roff | 4-2 | Did Not Clear |
| 2000 | Bill Kyriagis & Brandon Nessen | 2-4 | Did Not Clear |
| 2000 | Ryan Black & Jon Waldrop | 2-4 | Did Not Clear |
| 1999 | Ryan Black & Kristine Testa | 3-3 | Did Not Clear |
| 1998 | Ing Haw Cheng & A.J. Hughes | 5-1 | Champion |
| 1997 | Nikhil Joglekar & Molly Lundberg | 2-4 | Did Not Clear |
| 1996 | Monique Madan & Beth Bonacci | 5-1 | Semifinalist |
| 1996 | Nikhil Joglekar & Molly Lundberg | 2-4 | Did Not Clear |
| 1994 | Andrea Besikof & Heather Steen | Unknown | Quarterfinalist |
| 1993 | Rachel Brass & Theresa Lo | 2-2 | Octafinalist |
| 1990 | Jon Alexander & Anthony Kim | 4-0 | Octafinalist |
| 1988 | Joel Kanuik & Dave Palmieri | 2-2 | Finalist |
| 1988 | Amy Hansen & Lynn Sentman | 1-3 | Did Not Clear |
| 1986 | Sue Luedecke & Gary Padden | 0-4 | Did Not Clear |
| 1986 | Bill Komp & Matt Moulson | 1-3 | Did Not Clear |
| 1985 | Debbie Delahanty & Phil Howe | Unknown | Octafinalist |
| 1983 | 1-3 | Did Not Clear | |
| 1982 | 1-3 | Did Not Clear |