| Tournament | Round | Caroline Scowcroft | Colleen Birch |
| 25.04.2011 Aus Championship (ACT) | 11 | 346 | 398 |
| 25.04.2011 Aus Championship (ACT) | 18 | 390 | 409 |
| 02.04.2018 2018 National Championship (ACT) | 4 | 409 | 330 |
| 25.11.2018 Central Coast Championship (NSW) | 8 | 446 | 329 |
| 09.02.2019 WORDS SUMMER RR (NSW) | 3 | 392 | 310 |
| 08.02.2020 WORDS SUMMER (NSW) | 3 | 395 | 371 |
| 14.11.2020 ACT Championships (ACT) | 5 | 412 | 311 |
| 12.12.2020 BUNDANOON (NSW) | 6 | 420 | 367 |
| 07.08.2022 Revesby (NSW) | 7 | 297 | 401 |
| Head-to-head after 9 games | 6 | 3 | |
| Average score | 389.66 | 358.44 | |