| Date | Tournament | State | Round | Colleen McCormick | Alan Mathews |
|---|---|---|---|---|---|
| 19/03/2000 | Bunbury | WA | 2 | 341 | 356 |
| 13/08/2000 | Western Australian Masters | WA | 4 | 305 | 334 |
| 10/09/2000 | Yokine | WA | 1 | 274 | 429 |
| 02/09/2001 | Western Australian Masters | WA | 7 | 292 | 422 |
| 21/10/2001 | Rockingham | WA | 4 | 419 | 269 |
| 11/11/2001 | Coogee | WA | 1 | 390 | 274 |
| 10/08/2002 | Western Australian Masters | WA | 6 | 401 | 347 |
| 29/09/2002 | Manjimup | WA | 5 | 422 | 408 |
| 12/01/2003 | Open | WA | 4 | 269 | 426 |
| 31/08/2003 | Yokine | WA | 4 | 359 | 438 |
| 29/02/2004 | Kwinana | WA | 1 | 406 | 255 |
| 28/03/2004 | Nedlands | WA | 7 | 365 | 403 |
| 19/06/2004 | Western Australian Championships | WA | 4 | 409 | 373 |
| 11/07/2004 | Bassendean | WA | 4 | 336 | 487 |
| 10/07/2005 | Bassendean | WA | 5 | 392 | 371 |
| 21/08/2005 | Yokine | WA | 3 | 399 | 418 |
| 04/06/2006 | Western Australian Championships | WA | 8 | 434 | 351 |
| 04/06/2006 | Western Australian Championships | WA | 13 | 394 | 276 |
| 28/08/2011 | AUGUST MAXIMIN | WA | 1 | 443 | 287 |
| 07/12/2014 | Dec OPEN | WA | 5 | 453 | 255 |
| 06/12/2015 | OPEN6DEC | WA | 6 | 396 | 445 |
| 02/04/2017 | Bisection (Youth Fundraiser) | WA | 2 | 434 | 414 |
| 05/06/2017 | WA Championship | WA | 3 | 331 | 413 |
| 08/10/2017 | Rockingham | WA | 1 | 362 | 318 |
| 14/01/2018 | Jan HALFPM | WA | 3 | 282 | 437 |
| 18/03/2018 | Joy Deans Memorial | WA | 3 | 324 | 425 |
| 04/06/2018 | WA Championship | WA | 2 | 333 | 368 |
| 04/06/2018 | WA Championship | WA | 17 | 289 | 583 |
| 09/12/2018 | DEC OPEN | WA | 5 | 398 | 318 |
| 26/06/2022 | Bassendean | WA | 1 | 326 | 454 |
| Head-to-head after 30 games | 14 | 16 | |||
| Average score | 365.93 | 378.47 | |||
| Spread | -376 | 376 | |||