| Tournament | Round | Colleen McCormick | Wynne Davidson |
| 28.05.2000 Melville (WA) | 5 | 349 | 362 |
| 23.02.2003 Kwinana (WA) | 6 | 287 | 397 |
| 16.03.2003 Bunbury (WA) | 1 | 439 | 268 |
| 25.05.2003 Melville (WA) | 2 | 390 | 310 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 366.25 | 334.25 | |
| Spread: | 128 | -128 | |