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