| Tournament | Round | Isabel Van Hoorn | Jim Warmington |
| 20.02.2000 Camberwell (VIC) | 6 | 340 | 401 |
| 24.06.2001 Nunawading (VIC) | 1 | 356 | 368 |
| 23.06.2002 Nunawading (VIC) | 4 | 285 | 427 |
| 27.07.2003 Bentleigh (VIC) | 1 | 362 | 422 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 335.75 | 404.5 | |
| Spread: | -275 | 275 | |