| Tournament | Round | Isabel Van Hoorn | Carol Johnsen |
| 30.12.2000 Decathon (VIC) | 8 | 422 | 366 |
| 23.07.2001 Prahran (VIC) | 6 | 407 | 455 |
| 26.08.2001 Eastern Suburbs (VIC) | 3 | 335 | 517 |
| 29.12.2001 Decathon (VIC) | 10 | 379 | 307 |
| 29.12.2002 Decathon (VIC) | 3 | 350 | 456 |
| 30.03.2003 Langwarrin (VIC) | 4 | 413 | 322 |
| 20.08.2005 Bentleigh (VIC) | 6 | 360 | 352 |
| 10.03.2007 Raymond Island (VIC) | 7 | 354 | 350 |
| 25.10.2009 Mount Martha (VIC) | 2 | 330 | 387 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 372.22 | 390.22 | |
| Spread: | -162 | 162 | |