| Tournament | Round | Isabel Van Hoorn | Julian McKail |
| 20.02.2000 Camberwell (VIC) | 5 | 379 | 341 |
| 14.10.2001 Frankston (VIC) | 2 | 376 | 379 |
| 29.12.2001 Decathon (VIC) | 1 | 378 | 396 |
| 07.01.2006 Mind Sports (VIC) | 2 | 344 | 470 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 369.25 | 396.5 | |
| Spread: | -109 | 109 | |