| Tournament | Round | Geoff Shepheard | Marge Roberts |
| 22.01.2023 January Open (WA) | 1 | 394 | 287 |
| 10.12.2023 Graham Bell Memorial (WA) | 1 | 343 | 354 |
| 02.06.2024 WA State Championship (WA) | 5 | 407 | 356 |
| 08.12.2024 Graham Bell Memorial (WA) | 3 | 370 | 371 |
| 19.04.2026 Joy Deans Memorial (WA) | 1 | 388 | 273 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 380.4 | 328.2 | |
| Spread: | 261 | -261 | |