| Tournament | Round | Daphne Bezuidenhout | Betty Irwin |
| 13.02.1999 Wollongong (NSW) | 7 | 463 | 324 |
| 21.05.1999 Ulladulla (NSW) | 5 | 365 | 304 |
| 05.12.1999 ACT Christmas Capers (ACT) | 6 | 336 | 377 |
| 26.05.2002 Ulladulla (NSW) | 6 | 325 | 289 |
| 24.11.2002 ACT Championships (ACT) | 4 | 344 | 393 |
| 22.02.2003 Wollongong (NSW) | 2 | 401 | 261 |
| 19.02.2005 Wollongong (NSW) | 7 | 315 | 421 |
| 22.05.2005 Ulladulla (NSW) | 4 | 344 | 348 |
| 28.05.2006 Ulladulla Championship (NSW) | 9 | 318 | 400 |
| 17.06.2006 Wollongong Marj Babb (NSW) | 6 | 398 | 317 |
| Head-to-head after 10 games | 5 | 5 | |
| Average score | 360.9 | 343.4 | |
| Spread: | 175 | -175 | |