| Date | Tournament | State | Round | Betty Irwin | Ann Fiddler |
|---|---|---|---|---|---|
| 21/05/1999 | Ulladulla | NSW | 2 | 334 | 380 |
| 05/06/1999 | Wollongong Marj Babb | NSW | 7 | 390 | 322 |
| 24/11/2002 | ACT Championships | ACT | 6 | 311 | 365 |
| 21/03/2004 | Wyong | NSW | 2 | 375 | 390 |
| 17/06/2005 | Wollongong Marj Babb | NSW | 4 | 333 | 376 |
| 11/02/2006 | Wollongong | NSW | 3 | 314 | 479 |
| 17/06/2006 | Wollongong Marj Babb | NSW | 1 | 341 | 333 |
| Head-to-head after 7 games | 2 | 5 | |||
| Average score | 342.57 | 377.86 | |||
| Spread | -247 | 247 | |||