| Date | Tournament | State | Round | Alan Mathews | Carolyn Watt |
|---|---|---|---|---|---|
| 15/05/2005 | Melville | WA | 4 | 322 | 376 |
| 08/01/2006 | Summer Maximin | WA | 4 | 330 | 396 |
| 02/06/2014 | WA Championship | WA | 16 | 353 | 321 |
| 01/06/2015 | WA Champs | WA | 17 | 388 | 313 |
| 10/07/2016 | Bisection July | WA | 5 | 255 | 436 |
| 21/08/2016 | COOGEE | WA | 6 | 364 | 487 |
| 20/05/2018 | Melville | WA | 2 | 424 | 426 |
| 04/06/2018 | WA Championship | WA | 18 | 474 | 348 |
| 20/01/2019 | Jan Half PM | WA | 3 | 340 | 396 |
| 05/06/2022 | WA State 2022 | WA | 6 | 255 | 484 |
| 05/06/2022 | WA State 2022 | WA | 11 | 263 | 503 |
| Head-to-head after 11 games | 3 | 8 | |||
| Average score | 342.55 | 407.82 | |||
| Spread | -718 | 718 | |||