| Date | Tournament | State | Round | Marge Roberts | Alan Mathews |
|---|---|---|---|---|---|
| 08/10/2017 | Rockingham | WA | 2 | 374 | 421 |
| 18/03/2018 | Joy Deans Memorial | WA | 6 | 332 | 342 |
| 03/06/2019 | WA Championship | WA | 8 | 349 | 330 |
| 03/06/2019 | WA Championship | WA | 12 | 303 | 377 |
| 19/02/2023 | February Bisection | WA | 6 | 351 | 365 |
| 04/06/2023 | WA State Champs 2023 | WA | 13 | 341 | 383 |
| 02/06/2024 | WA State Championship | WA | 4 | 404 | 379 |
| 12/01/2025 | January Open | WA | 6 | 374 | 388 |
| 01/06/2025 | WA Championship 2025 | WA | 16 | 320 | 373 |
| 14/09/2025 | Glenys Lawrie Memorial | WA | 3 | 399 | 366 |
| 05/10/2025 | October Bisection | WA | 1 | 319 | 502 |
| 07/12/2025 | Graham Bell Memorial | WA | 3 | 321 | 522 |
| 08/02/2026 | February Bi-section | WA | 1 | 333 | 348 |
| 01/06/2026 | WA STATE CHAMPIONSHIPS | WA | 4 | 350 | 437 |
| 05/07/2026 | AGM Bisection | WA | 4 | 328 | 324 |
| Head-to-head after 15 games | 4 | 11 | |||
| Average score | 346.53 | 390.47 | |||
| Spread | -659 | 659 | |||