| Tournament | Round | Carol Johnsen | Richard Birch |
| 28.03.2005 Australian Championships (TAS) | 10 | 382 | 376 |
| 31.01.2016 CSIM 2016 (NSW) | 1 | 545 | 342 |
| 17.04.2016 Tristate Challenge (NSW) | 1 | 412 | 316 |
| 02.04.2018 2018 National Championship (ACT) | 1 | 387 | 437 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 431.5 | 367.75 | |
| Spread: | 255 | -255 | |