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