| Tournament | Round | Betty Irwin | Mireille Minet |
| 17.06.2000 Wollongong Marj Babb (NSW) | 1 | 341 | 284 |
| 17.02.2001 Wollongong WORDS February Frolic (NSW) | 6 | 298 | 377 |
| 27.05.2001 Ulladulla (NSW) | 13 | 357 | 344 |
| 16.06.2001 Wollongong Marj Babb (NSW) | 5 | 267 | 433 |
| 26.05.2002 Ulladulla (NSW) | 8 | 291 | 391 |
| 22.06.2002 Wollongong Marj Babb (NSW) | 2 | 278 | 382 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 305.33 | 368.5 | |
| Spread: | -379 | 379 | |