| Tournament | Round | Maureen Gill | Sharon Sorensen |
| 12.04.2004 Australian Championships (ACT) | 12 | 332 | 309 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 10 | 334 | 302 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 22 | 473 | 254 |
| 05.04.2010 Aus Championship (SA) | 1 | 266 | 435 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 351.25 | 325 | |
| Spread: | 105 | -105 | |