| Tournament | Round | Colleen McCormick | Pauline Coulter |
| 09.07.2017 BISAGM17 (WA) | 6 | 323 | 324 |
| 04.02.2018 Feb open (WA) | 2 | 341 | 343 |
| 22.04.2018 YOOF APRIL (WA) | 2 | 403 | 299 |
| 20.01.2019 Jan Half AM (WA) | 1 | 371 | 348 |
| 13.10.2019 OCT Trisection (WA) | 1 | 332 | 386 |
| 02.02.2020 Feb Half AM (WA) | 1 | 338 | 386 |
| 02.02.2020 Feb Half PM (WA) | 1 | 430 | 364 |
| 01.11.2020 RRNOV20 (WA) | 5 | 292 | 386 |
| 06.12.2020 AGMBISEC (WA) | 3 | 322 | 321 |
| 06.12.2020 AGMBISEC (WA) | 3 | 322 | 321 |
| 21.08.2022 August Bisection (WA) | 6 | 332 | 274 |
| Head-to-head after 11 games | 6 | 5 | |
| Average score | 346 | 341.09 | |
| Spread: | 54 | -54 | |