| Tournament | Round | Dianne Gibson | Isabel Van Hoorn |
| 16.05.2004 Dandenong (VIC) | 1 | 466 | 341 |
| 28.08.2004 Winter's End (VIC) | 4 | 334 | 327 |
| 29.12.2004 Decathon (VIC) | 2 | 378 | 348 |
| 27.11.2005 McKinnon (VIC) | 6 | 352 | 419 |
| 05.11.2006 Geelong (VIC) | 6 | 404 | 391 |
| 28.12.2006 Decathon (VIC) | 8 | 339 | 391 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 378.83 | 369.5 | |
| Spread: | 56 | -56 | |