| Tournament | Round | Maureen Gill | Colleen McCormick |
| 15.02.1998 Fremantle (WA) | 3 | 245 | 390 |
| 23.02.2003 Kwinana (WA) | 2 | 320 | 415 |
| 06.06.2005 Western Australian Championships (WA) | 7 | 303 | 461 |
| 06.06.2005 Western Australian Championships (WA) | 20 | 395 | 310 |
| 21.05.2006 Melville (WA) | 7 | 229 | 403 |
| 04.06.2006 Western Australian Championships (WA) | 14 | 326 | 373 |
| 26.08.2007 Yokine (WA) | 1 | 404 | 335 |
| 30.08.2009 Winter Open (WA) | 3 | 319 | 334 |
| 29.08.2010 Rockingham 2010 (WA) | 4 | 325 | 393 |
| 29.07.2012 Winter Trisection (WA) | 3 | 385 | 385 |
| 19.05.2013 MELVILLE (WA) | 3 | 366 | 311 |
| 02.06.2014 WA Championship (WA) | 16 | 393 | 419 |
| 01.02.2015 FREM1FEB (WA) | 4 | 330 | 412 |
| 02.02.2020 Feb Half PM (WA) | 5 | 439 | 298 |
| Head-to-head after 14 games | 4.5 | 9.5 | |
| Average score | 341.35 | 374.21 | |
| Spread: | -460 | 460 | |