| Date | Tournament | State | Round | Geoff Shepheard | Alan Mathews |
|---|---|---|---|---|---|
| 14/03/2021 | Joy Deans Memorial | WA | 3 | 390 | 398 |
| 06/06/2021 | WASC2021 | WA | 3 | 423 | 374 |
| 10/12/2023 | Graham Bell Memorial | WA | 7 | 373 | 390 |
| 02/06/2024 | WA State Championship | WA | 1 | 462 | 405 |
| 08/12/2024 | Graham Bell Memorial | WA | 1 | 429 | 319 |
| 01/06/2025 | WA Championship 2025 | WA | 8 | 405 | 259 |
| 19/04/2026 | Joy Deans Memorial | WA | 5 | 399 | 371 |
| 01/06/2026 | WA STATE CHAMPIONSHIPS | WA | 9 | 430 | 371 |
| Head-to-head after 8 games | 6 | 2 | |||
| Average score | 413.88 | 360.88 | |||
| Spread | 424 | -424 | |||