| Tournament | Round | Betty Irwin | Esther Rolfe |
| 21.05.2000 Ulladulla (NSW) | 6 | 292 | 369 |
| 23.02.2002 Wollongong (NSW) | 8 | 387 | 337 |
| 15.05.2003 Ulladulla (NSW) | 13 | 305 | 443 |
| 22.05.2005 Ulladulla (NSW) | 6 | 411 | 306 |
| 17.06.2005 Wollongong Marj Babb (NSW) | 6 | 329 | 348 |
| 11.02.2006 Wollongong (NSW) | 1 | 330 | 374 |
| 21.02.2006 Ulladulla SUmmer Games Tuesday (NSW) | 4 | 392 | 281 |
| 22.02.2006 Ulladulla Summer Games Wednesday (NSW) | 5 | 386 | 438 |
| 28.05.2006 Ulladulla Championship (NSW) | 8 | 378 | 326 |
| 28.05.2006 Ulladulla Championship (NSW) | 11 | 216 | 400 |
| 17.06.2006 Wollongong Marj Babb (NSW) | 3 | 302 | 370 |
| 18.05.2008 Ulladulla (NSW) | 3 | 406 | 304 |
| 14.06.2008 Wollongong (NSW) | 5 | 358 | 332 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 4 | 331 | 419 |
| 02.11.2008 Nowra Bomaderry 2008 (NSW) | 11 | 409 | 365 |
| Head-to-head after 15 games | 7 | 8 | |
| Average score | 348.8 | 360.8 | |
| Spread: | -180 | 180 | |