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