| Tournament | Round | Colleen Birch | Carol Johnsen |
| 05.04.2010 Aus Championship (SA) | 8 | 403 | 341 |
| 05.04.2010 Aus Championship (SA) | 17 | 325 | 431 |
| 28.04.2013 Wagga Wagga - Tristate (NSW) | 3 | 488 | 452 |
| 17.04.2016 Tristate Challenge (NSW) | 4 | 408 | 455 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 406 | 419.75 | |
| Spread: | -55 | 55 | |