| Tournament | Round | Wynne Davidson | Marilyn Mackie |
| 05.12.1999 Marathon December (WA) | 7 | 343 | 353 |
| 13.01.2002 WA Open (WA) | 1 | 263 | 395 |
| 20.10.2002 Rockingham (WA) | 5 | 391 | 422 |
| 23.02.2003 Kwinana (WA) | 2 | 324 | 462 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 330.25 | 408 | |
| Spread: | -311 | 311 | |