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