| Date | Tournament | State | Round | Betty Irwin | Brenda Sloane |
|---|---|---|---|---|---|
| 16/05/2009 | Ulladulla | NSW | 11 | 366 | 323 |
| 31/10/2009 | Nowra 2009 | NSW | 4 | 244 | 373 |
| 06/11/2010 | Nowra | NSW | 5 | 327 | 393 |
| 15/05/2011 | Ulladulla | NSW | 2 | 390 | 342 |
| 20/05/2012 | Ulladulla | NSW | 11 | 317 | 353 |
| Head-to-head after 5 games | 2 | 3 | |||
| Average score | 328.80 | 356.80 | |||
| Spread | -140 | 140 | |||