First meeting: Oct. 20, 2007 - Columbia River 23, Union 13
Latest meeting: Oct. 2, 2009 - Union 45, Columbia River 0
Next meeting: TBD
Meetings total: 43
All-time series: Union Leads 2-1
League series: Union Leads 2-1
Post-season series: n/a
Largest victory: Union, 45-0 (2009)
Longest win streak: Union, 2 (2008-present)
Current win streak: Union, 2 (2008-present)
| Columbia River Victories | Union Victories | Tie Games |
| No. | Date | Winning Team | Losing Team | |||
| 1 | Oct. 20, 2007 | Columbia River* | 23 | at Union | 13 | |
| 2 | Oct. 3, 2008 | Union* | 31 | at Columbia River | 7 | |
| 3 | Oct. 2, 2009 | at Union* | 45 | Columbia River | 0 | |