| Tournament | Round | Ann Fiddler | Betty Irwin |
| 21.05.1999 Ulladulla (NSW) | 2 | 380 | 334 |
| 05.06.1999 Wollongong Marj Babb (NSW) | 7 | 322 | 390 |
| 24.11.2002 ACT Championships (ACT) | 6 | 365 | 311 |
| 21.03.2004 Wyong (NSW) | 2 | 390 | 375 |
| 17.06.2005 Wollongong Marj Babb (NSW) | 4 | 376 | 333 |
| 11.02.2006 Wollongong (NSW) | 3 | 479 | 314 |
| 17.06.2006 Wollongong Marj Babb (NSW) | 1 | 333 | 341 |
| Head-to-head after 7 games | 5 | 2 | |
| Average score | 377.85 | 342.57 | |
| Spread: | 247 | -247 | |