| Tournament | Round | Brian Irwin | Beryl Christensen |
| 21.05.1999 Ulladulla (NSW) | 11 | 243 | 213 |
| 21.05.2000 Ulladulla (NSW) | 7 | 288 | 294 |
| 27.05.2001 Ulladulla (NSW) | 1 | 300 | 268 |
| 16.06.2001 Wollongong Marj Babb (NSW) | 1 | 420 | 286 |
| 26.05.2002 Ulladulla (NSW) | 12 | 370 | 296 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 324.2 | 271.39 | |
| Spread: | 264 | -264 | |