| Date | Tournament | State | Round | Betty Irwin | Liz Jackman |
|---|---|---|---|---|---|
| 11/02/2006 | Wollongong | NSW | 2 | 367 | 352 |
| 12/11/2006 | Blackbutt Inaugural | NSW | 7 | 387 | 327 |
| 20/05/2007 | Ulladulla 2007 | NSW | 7 | 346 | 370 |
| 16/05/2009 | Ulladulla | NSW | 6 | 335 | 354 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 358.75 | 350.75 | |||
| Spread | 32 | -32 | |||