| Tournament | Round | John Salmon | Marge Roberts |
| 16.08.2009 ROCKINGHAM 2009 (WA) | 1 | 249 | 368 |
| 02.10.2011 October Open (WA) | 3 | 477 | 274 |
| 03.06.2013 WA Championship (WA) | 18 | 388 | 343 |
| 01.06.2015 WA Champs (WA) | 9 | 373 | 404 |
| 03.06.2019 WA Championship (WA) | 6 | 427 | 284 |
| 03.06.2019 WA Championship (WA) | 16 | 353 | 362 |
| 04.06.2023 WA State Champs 2023 (WA) | 6 | 377 | 333 |
| 06.08.2023 Glenys Lawrie Memorial (WA) | 7 | 412 | 297 |
| 05.11.2023 November Bisection (WA) | 4 | 407 | 284 |
| 10.12.2023 Graham Bell Memorial (WA) | 3 | 418 | 351 |
| 02.06.2024 WA State Championship (WA) | 11 | 341 | 305 |
| 13.04.2025 Joy Deans Memorial (WA) | 1 | 342 | 298 |
| 01.06.2025 WA Championship 2025 (WA) | 10 | 468 | 286 |
| 19.04.2026 Joy Deans Memorial (WA) | 4 | 367 | 363 |
| Head-to-head after 14 games | 11 | 3 | |
| Average score | 385.64 | 325.14 | |
| Spread: | 847 | -847 | |