River Ridge Hawks
First meeting: Sept. 12, 1997 - Kelso 29, River Ridge 0
Latest meeting: Sept. 4, 2026 - Kelso 27, River Ridge 7
Next meeting: 2027
Meetings total: 6
All-time series: Kelso Leads 6-0
League series: n/a
Post-season series: Kelso Leads 1-0
Largest victory: Kelso, 38-6 (1998)
Longest win streak: Kelso, 6 (1997-present)
Current win streak: Kelso, 6 (1997-present)
| Kelso Victories | River Ridge Victories | Tie Games |
| No. | Date | Winning Team | Losing Team | |||
| 1 | Sept. 12, 1997 | at Kelso | 29 | River Ridge | 0 | |
| 2 | Sept. 11, 1998 | Kelso | 38 | at River Ridge | 6 | |
| 3 | Nov. 5, 2004 | Kelso | 56 | at River Ridge | 26 | Playoffs |
| 4 | Sept. 13, 2024 | at Kelso | 40 | River Ridge | 21 | |
| 5 | Sept. 12, 2025 | Kelso | 30 | at River Ridge | 14 | |
| 6 | Sept. 4, 2026 | at Kelso | 27 | River Ridge | 7 | |