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