First meeting: Sept. 19, 2008 - Union 59, Battle Ground 10
Latest meeting: Nov. 1, 2024 - Union 30, Battle Ground 14
Next meeting: Nov. 1, 2024
Meetings total: 16
All-time series: Union Leads 13-3
League series: Union Leads 12-3
Post-season series: n/a
Largest victory: Union, 56-3 (2010)
Longest win streak: Union, 6 (2008-2014 and 2017-2022)
Current win streak: Union, 1 (2024-present)
| Battle Ground Victories | Union Victories | Tie Games |
| No. | Date | Winning Team | Losing Team | |||
| 1 | Sept. 19, 2008 | at Union | 59 | Battle Ground | 10 | |
| 2 | Oct. 15, 2010 | at Union* | 56 | Battle Ground | 3 | |
| 3 | Oct. 13, 2011 | Union* | 42 | at Battle Ground | 6 | |
| 4 | Oct. 5, 2012 | at Union* | 28 | Battle Ground | 7 | |
| 5 | Oct. 11, 2013 | Union* | 35 | at Battle Ground | 21 | |
| 6 | Oct. 24, 2014 | at Union* | 44 | Battle Ground | 14 | |
| 7 | Oct. 23, 2015 | at Battle Ground* | 31 | Union | 0 | |
| 8 | Oct. 7, 2016 | at Battle Ground* | 33 | Union | 29 | |
| 9 | Oct. 6, 2017 | at Union* | 52 | Battle Ground | 8 | |
| 10 | Oct. 19, 2018 | at Union* | 49 | Battle Ground | 7 | |
| 11 | Oct. 25, 2019 | Union* | 52 | at Battle Ground | 6 | |
| 12 | Mar. 22, 2021 | at Union | 45 | Battle Ground | 6 | |
| 13 | Oct. 7, 2021 | Union* | 43 | at Battle Ground | 6 | |
| 14 | Oct. 14, 2022 | Union* | 49 | at Battle Ground | 25 | |
| 15 | Oct. 13, 2022 | Battle Ground* | 48 | at Union | 30 | |
| 16 | Nov. 1, 2024 | at Union* | 30 | Battle Ground | 14 | |