| Tournament | Round | Richard Birch | Diana Field |
| 04.04.1998 Hassall Grove (NSW) | 5 | 325 | 312 |
| 08.05.1999 Hassall Grove (NSW) | 6 | 438 | 200 |
| 27.10.2002 Spring Marathon (NSW) | 1 | 470 | 273 |
| 16.10.2004 Spring Marathon (NSW) | 1 | 440 | 275 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 418.25 | 265 | |
| Spread: | 613 | -613 | |