Matchup
| Season | Visitor | Home | Winner | ||
| 2012-2013 | |||||
| 01/22/2013 | Harvard | 1 | Union | 4 | Union |
| 11/09/2012 | Union | 6 | Harvard | 2 | Union |
| 2011-2012 | |||||
| 03/17/2012 | Harvard | 1 | Union | 3 | Union |
| 01/13/2012 | Union | 2 | Harvard | 0 | Union |
| 01/06/2012 | Harvard | 3 | Union | 3 (ot) | Tie |
| 2010-2011 | |||||
| 01/22/2011 | Harvard | 1 | Union | 2 | Union |
| 11/05/2010 | Union | 2 | Harvard | 1 | Union |
| 2009-2010 | |||||
| 02/13/2010 | Union | 3 | Harvard | 4 | Harvard |
| 01/22/2010 | Harvard | 4 | Union | 1 | Harvard |
| 2008-2009 | |||||
| 01/30/2009 | Union | 1 | Harvard | 3 | Harvard |
| 11/08/2008 | Harvard | 1 | Union | 3 | Union |
| 2007-2008 | |||||
| 02/08/2008 | Harvard | 3 | Union | 2 | Harvard |
| 11/10/2007 | Union | 0 | Harvard | 4 | Harvard |
| 2006-2007 | |||||
| 02/02/2007 | Union | 2 | Harvard | 5 | Harvard |
| 01/06/2007 | Harvard | 3 | Union | 2 | Harvard |
| 2005-2006 | |||||
| 01/28/2006 | Union | 2 | Harvard | 1 | Union |
| 01/06/2006 | Harvard | 1 | Union | 1 (ot) | Tie |
| 2004-2005 | |||||
| 02/01/2005 | Harvard | 8 | Union | 1 | Harvard |
| 12/03/2004 | Union | 1 | Harvard | 4 | Harvard |
| 2003-2004 | |||||
| 02/14/2004 | Union | 2 | Harvard | 3 | Harvard |
| 01/02/2004 | Harvard | 3 | Union | 2 | Harvard |
| 2002-2003 | |||||
| 01/04/2003 | Harvard | 3 | Union | 1 | Harvard |
| 11/29/2002 | Union | 4 | Harvard | 7 | Harvard |