| Tournament | Round | Richard Birch | Dianne Brumby |
| 05.04.2010 Aus Championship (SA) | 4 | 317 | 359 |
| 09.04.2012 Australian Championship (TAS) | 16 | 314 | 450 |
| 06.11.2015 Perth International (WA) | 6 | 431 | 497 |
| 02.04.2022 LAKE MACQUARIE 2022 (NSW) | 2 | 482 | 397 |
| 23.05.2026 RATINGS IMPROVERS 2 (NSW) | 6 | 412 | 431 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 391.2 | 426.8 | |
| Spread: | -178 | 178 | |