| Date | Tournament | State | Round | Marge Roberts | John Salmon |
|---|---|---|---|---|---|
| 16/08/2009 | ROCKINGHAM 2009 | WA | 1 | 368 | 249 |
| 02/10/2011 | October Open | WA | 3 | 274 | 477 |
| 03/06/2013 | WA Championship | WA | 18 | 343 | 388 |
| 01/06/2015 | WA Champs | WA | 9 | 404 | 373 |
| 03/06/2019 | WA Championship | WA | 6 | 284 | 427 |
| 03/06/2019 | WA Championship | WA | 16 | 362 | 353 |
| 04/06/2023 | WA State Champs 2023 | WA | 6 | 333 | 377 |
| 06/08/2023 | Glenys Lawrie Memorial | WA | 7 | 297 | 412 |
| 05/11/2023 | November Bisection | WA | 4 | 284 | 407 |
| 10/12/2023 | Graham Bell Memorial | WA | 3 | 351 | 418 |
| 02/06/2024 | WA State Championship | WA | 11 | 305 | 341 |
| 13/04/2025 | Joy Deans Memorial | WA | 1 | 298 | 342 |
| 01/06/2025 | WA Championship 2025 | WA | 10 | 286 | 468 |
| 19/04/2026 | Joy Deans Memorial | WA | 4 | 363 | 367 |
| 01/06/2026 | WA STATE CHAMPIONSHIPS | WA | 1 | 358 | 348 |
| Head-to-head after 15 games | 4 | 11 | |||
| Average score | 327.33 | 383.13 | |||
| Spread | -837 | 837 | |||