| Tournament | Round | Colleen McCormick | John Finlay |
| 30.09.2007 Pinjarra (WA) | 6 | 418 | 391 |
| 04.06.2012 WA CHAMPS (WA) | 14 | 393 | 332 |
| 01.06.2015 WA Champs (WA) | 17 | 346 | 338 |
| 04.06.2018 WA Championship (WA) | 7 | 335 | 361 |
| 04.06.2018 WA Championship (WA) | 12 | 411 | 334 |
| 03.06.2019 WA Championship (WA) | 6 | 385 | 362 |
| 01.11.2020 RRNOV20 (WA) | 3 | 380 | 334 |
| Head-to-head after 7 games | 6 | 1 | |
| Average score | 381.14 | 350.28 | |