| Tournament | Round | Wynne Davidson | Harry Van Dijk |
| 03.10.2004 Manjimup (WA) | 5 | 313 | 244 |
| 13.03.2005 Bunbury (WA) | 1 | 322 | 317 |
| 01.10.2006 Manjimup (WA) | 4 | 331 | 351 |
| 09.03.2008 Bunbury (WA) | 4 | 321 | 410 |
| 15.03.2009 Bunbury 2009 (WA) | 1 | 339 | 329 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 325.2 | 330.2 | |
| Spread: | -25 | 25 | |