| Tournament | Round | Olga Visser | Colleen Birch |
| 25.07.2004 Newcastle (NSW) | 2 | 333 | 371 |
| 09.04.2012 Australian Championship (TAS) | 24 | 406 | 419 |
| 02.02.2014 Kempsey (NSW) | 5 | 409 | 362 |
| 02.02.2014 Kempsey (NSW) | 10 | 434 | 292 |
| 06.11.2015 Perth International (WA) | 4 | 514 | 348 |
| 18.02.2024 February Frolic (QLD) | 4 | 351 | 388 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 407.83 | 363.33 | |
| Spread: | 267 | -267 | |