| Tournament | Round | Garth van Vliet | Colleen Birch |
| 04.03.2012 Balmain BUGS (NSW) | 5 | 485 | 309 |
| 09.04.2012 Australian Championship (TAS) | 6 | 455 | 392 |
| 09.04.2012 Australian Championship (TAS) | 16 | 407 | 413 |
| 04.01.2020 JanBoree (NSW) | 1 | 396 | 337 |
| 19.06.2021 WORDS WINTER 19 JUNE (NSW) | 3 | 355 | 449 |
| 04.03.2023 LAKE MACQUARIE AUTUMN (NSW) | 4 | 440 | 320 |
| 14.10.2023 NSW SPRING MARATHON (NSW) | 2 | 367 | 420 |
| 18.10.2025 SPRING MARATHON (NSW) | 11 | 407 | 385 |
| 13.12.2025 BUNDANOON (NSW) | 6 | 456 | 450 |
| Head-to-head after 9 games | 6 | 3 | |
| Average score | 418.66 | 386.11 | |
| Spread: | 293 | -293 | |