| Tournament | Round | Colleen McCormick | Liz Quantock |
| 17.01.1999 WA Open (WA) | 6 | 428 | 301 |
| 14.02.1999 Fremantle (WA) | 3 | 374 | 308 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 4 | 332 | 340 |
| 27.03.2000 Nedlands (WA) | 6 | 279 | 364 |
| 15.11.2000 Coogee (WA) | 2 | 368 | 343 |
| 04.02.2001 Fremantle (WA) | 3 | 313 | 305 |
| 21.11.2004 Hamersley (WA) | 6 | 356 | 291 |
| 06.06.2005 Western Australian Championships (WA) | 4 | 378 | 422 |
| 06.06.2005 Western Australian Championships (WA) | 22 | 414 | 354 |
| 31.07.2005 Winter Marathon (WA) | 4 | 401 | 285 |
| 31.07.2005 Winter Marathon (WA) | 9 | 340 | 385 |
| 23.10.2005 Rockingham (WA) | 3 | 409 | 344 |
| 21.05.2006 Melville (WA) | 6 | 331 | 339 |
| 04.06.2006 Western Australian Championships (WA) | 9 | 458 | 349 |
| 04.06.2006 Western Australian Championships (WA) | 17 | 376 | 328 |
| Head-to-head after 15 games | 10 | 5 | |
| Average score | 370.46 | 337.2 | |
| Spread: | 499 | -499 | |