| Tournament | Round | Wynne Davidson | Grace De Bonis |
| 25.09.2005 Manjimup Standard (WA) | 5 | 268 | 305 |
| 01.10.2006 Manjimup (WA) | 6 | 335 | 293 |
| 22.10.2006 Rockingham (WA) | 7 | 388 | 314 |
| 29.09.2007 Pinjarra Maximin (WA) | 5 | 368 | 285 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 339.75 | 299.25 | |
| Spread: | 162 | -162 | |