Matchup
| Season | Visitor | Home | Winner | ||
| 2013-2014 | |||||
| 2012-2013 | |||||
| 03/02/2013 | Clarkson | 0 | Union | 4 | Union |
| 02/08/2013 | Union | 1 | Clarkson | 2 | Clarkson |
| 2011-2012 | |||||
| 01/27/2012 | Clarkson | 2 | Union | 5 | Union |
| 11/05/2011 | Union | 3 | Clarkson | 1 | Union |
| 2010-2011 | |||||
| 02/18/2011 | Union | 4 | Clarkson | 3 (ot) | Union |
| 01/08/2011 | Clarkson | 1 | Union | 8 | Union |
| 2009-2010 | |||||
| 02/05/2010 | Clarkson | 2 | Union | 11 | Union |
| 11/14/2009 | Union | 5 | Clarkson | 1 | Union |
| 2008-2009 | |||||
| 03/07/2009 | Clarkson | 2 | Union | 7 | Union |
| 03/06/2009 | Clarkson | 3 | Union | 5 | Union |
| 02/28/2009 | Clarkson | 1 | Union | 2 | Union |
| 01/23/2009 | Union | 3 | Clarkson | 4 (ot) | Clarkson |
| 2007-2008 | |||||
| 02/22/2008 | Clarkson | 3 | Union | 3 (ot) | Tie |
| 01/26/2008 | Union | 2 | Clarkson | 3 | Clarkson |
| 2006-2007 | |||||
| 02/16/2007 | Union | 2 | Clarkson | 6 | Clarkson |
| 01/20/2007 | Clarkson | 1 | Union | 2 (ot) | Union |
| 2005-2006 | |||||
| 01/13/2006 | Clarkson | 0 | Union | 5 | Union |
| 11/05/2005 | Union | 1 | Clarkson | 4 | Clarkson |
| 2004-2005 | |||||
| 09/13/2005 | Clarkson | 1 | Union | 0 (ot) | Clarkson |
| 09/13/2005 | Clarkson | 1 | Union | 2 (ot) | Union |
| 09/13/2005 | Clarkson | 4 | Union | 3 (ot) | Clarkson |
| 01/21/2005 | Union | 0 | Clarkson | 2 | Clarkson |
| 11/06/2004 | Clarkson | 1 | Union | 4 | Union |
| 2003-2004 | |||||
| 09/13/2005 | Clarkson | 8 | Union | 3 | Clarkson |
| 09/13/2005 | Clarkson | 5 | Union | 2 | Clarkson |
| 02/06/2004 | Clarkson | 1 | Union | 3 | Union |
| 11/08/2003 | Union | 1 | Clarkson | 4 | Clarkson |
| 2002-2003 | |||||
| 01/31/2003 | Union | 5 | Clarkson | 3 | Union |
| 11/09/2002 | Clarkson | 2 | Union | 2 (ot) | Tie |