| Tournament | Round | Maretta Walton | Colleen McCormick |
| 14.03.1999 Bunbury (WA) | 2 | 316 | 340 |
| 30.05.1999 Melville (WA) | 3 | 432 | 362 |
| 11.07.1999 Western Australian Masters (WA) | 7 | 348 | 403 |
| 13.02.2000 Fremantle (WA) | 4 | 427 | 335 |
| 19.03.2000 Bunbury (WA) | 1 | 309 | 412 |
| 02.09.2001 Western Australian Masters (WA) | 5 | 352 | 362 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 364 | 369 | |
| Spread: | -30 | 30 | |