| Date | Tournament | State | Round | Alan Mathews | Jenny Coetzee |
|---|---|---|---|---|---|
| 17/01/1999 | WA Open | WA | 7 | 469 | 293 |
| 13/08/2000 | Western Australian Masters | WA | 14 | 330 | 409 |
| 10/08/2002 | Western Australian Masters | WA | 1 | 330 | 346 |
| 04/06/2006 | Western Australian Championships | WA | 5 | 433 | 387 |
| 22/02/2015 | FEB OPEN | WA | 6 | 488 | 259 |
| 22/03/2015 | MARCH OPEN | WA | 3 | 441 | 273 |
| 01/06/2015 | WA Champs | WA | 15 | 519 | 322 |
| 31/01/2016 | OP31JAN | WA | 7 | 349 | 444 |
| 05/06/2017 | WA Championship | WA | 9 | 344 | 340 |
| 08/10/2017 | Rockingham | WA | 4 | 270 | 394 |
| 25/02/2018 | Feb RR | WA | 1 | 477 | 344 |
| 04/06/2018 | WA Championship | WA | 1 | 396 | 430 |
| 24/06/2018 | Bassendean | WA | 5 | 388 | 390 |
| 07/10/2018 | Rockingham | WA | 1 | 480 | 306 |
| 03/06/2019 | WA Championship | WA | 7 | 312 | 392 |
| 03/06/2019 | WA Championship | WA | 18 | 384 | 373 |
| 17/11/2019 | YOOF Nov | WA | 7 | 402 | 388 |
| 14/03/2021 | Joy Deans Memorial | WA | 2 | 434 | 323 |
| 06/06/2021 | WASC2021 | WA | 13 | 373 | 317 |
| 29/08/2021 | August Bisection | WA | 3 | 408 | 391 |
| 03/10/2021 | Glenys Lawrie Memorial | WA | 4 | 409 | 289 |
| 27/02/2022 | Feb 2022 Bisection | WA | 1 | 335 | 388 |
| 24/04/2022 | April Round Robin | WA | 2 | 453 | 362 |
| 05/06/2022 | WA State 2022 | WA | 4 | 408 | 383 |
| 05/06/2022 | WA State 2022 | WA | 18 | 329 | 381 |
| 19/02/2023 | February Bisection | WA | 4 | 448 | 300 |
| 07/07/2024 | AGM BISECTION | WA | 2 | 279 | 367 |
| 06/10/2024 | October Bisection | WA | 4 | 387 | 363 |
| 10/11/2024 | November Trisection | WA | 3 | 327 | 368 |
| 09/02/2025 | February Bisection | WA | 3 | 383 | 273 |
| 09/03/2025 | March Trisection | WA | 4 | 331 | 318 |
| 04/05/2025 | Melville Tournament | WA | 6 | 334 | 321 |
| 07/12/2025 | Graham Bell Memorial | WA | 6 | 463 | 353 |
| Head-to-head after 33 games | 22 | 11 | |||
| Average score | 391.30 | 351.12 | |||
| Spread | 1326 | -1326 | |||