| Date | Tournament | State | Round | Colleen McCormick | Maureen Gill |
|---|---|---|---|---|---|
| 25/05/1997 | Melville | WA | 3 | 386 | 318 |
| 15/02/1998 | Fremantle | WA | 3 | 390 | 245 |
| 23/02/2003 | Kwinana | WA | 2 | 415 | 320 |
| 06/06/2005 | Western Australian Championships | WA | 7 | 461 | 303 |
| 06/06/2005 | Western Australian Championships | WA | 20 | 310 | 395 |
| 21/05/2006 | Melville | WA | 7 | 403 | 229 |
| 04/06/2006 | Western Australian Championships | WA | 14 | 373 | 326 |
| 26/08/2007 | Yokine | WA | 1 | 335 | 404 |
| 30/08/2009 | Winter Open | WA | 3 | 334 | 319 |
| 29/08/2010 | Rockingham 2010 | WA | 4 | 393 | 325 |
| 29/07/2012 | Winter Trisection | WA | 3 | 385 | 385 |
| 19/05/2013 | MELVILLE | WA | 3 | 311 | 366 |
| 02/06/2014 | WA Championship | WA | 16 | 419 | 393 |
| 01/02/2015 | FREM1FEB | WA | 4 | 412 | 330 |
| 02/02/2020 | Feb Half PM | WA | 5 | 298 | 439 |
| Head-to-head after 15 games | 10.5 | 4.5 | |||
| Average score | 375.00 | 339.80 | |||
| Spread | 528 | -528 | |||