| Date | Tournament | State | Round | Grace De Bonis | Harry Van Dijk |
|---|---|---|---|---|---|
| 18/10/1998 | Rockingham | WA | 6 | 285 | 267 |
| 13/03/2005 | Bunbury | WA | 4 | 336 | 298 |
| 12/03/2006 | Bunbury | WA | 3 | 308 | 310 |
| 01/10/2006 | Manjimup | WA | 1 | 373 | 282 |
| 29/09/2007 | Pinjarra Maximin | WA | 2 | 290 | 353 |
| Head-to-head after 5 games | 3 | 2 | |||
| Average score | 318.40 | 302.00 | |||
| Spread | 82 | -82 | |||