| Tournament | Round | Wynne Davidson | Jean Coleman |
| 21.11.2004 Hamersley (WA) | 4 | 317 | 313 |
| 06.06.2005 Western Australian Championships (WA) | 2 | 378 | 292 |
| 06.06.2005 Western Australian Championships (WA) | 9 | 348 | 387 |
| 30.09.2007 Pinjarra (WA) | 3 | 331 | 314 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 343.5 | 326.5 | |
| Spread: | 68 | -68 | |