| Date | Tournament | State | Round | Betty Irwin | Judy Hay |
|---|---|---|---|---|---|
| 21/05/2000 | Ulladulla | NSW | 2 | 341 | 401 |
| 23/11/2003 | ACT Championships | ACT | 3 | 336 | 370 |
| 23/02/2006 | Ulladulla Summer Games Thursday | NSW | 4 | 289 | 326 |
| 17/06/2006 | Wollongong Marj Babb | NSW | 4 | 318 | 360 |
| 20/05/2007 | Ulladulla 2007 | NSW | 8 | 320 | 387 |
| 18/05/2008 | Ulladulla | NSW | 12 | 393 | 345 |
| Head-to-head after 6 games | 1 | 5 | |||
| Average score | 332.83 | 364.83 | |||
| Spread | -192 | 192 | |||