| Tournament | Round | Isabel Van Hoorn | Marie D |
| 16.05.1998 Dandenong (VIC) | 2 | 389 | 395 |
| 26.09.1999 Essendon (VIC) | 6 | 371 | 426 |
| 05.12.1999 McKinnon (VIC) | 3 | 337 | 265 |
| 06.08.2000 Knox (VIC) | 5 | 404 | 371 |
| 04.11.2001 Geelong (VIC) | 1 | 374 | 349 |
| 30.03.2003 Langwarrin (VIC) | 2 | 381 | 273 |
| 08.06.2003 Victorian Championships (VIC) | 6 | 325 | 346 |
| 19.10.2003 Frankston (VIC) | 3 | 320 | 390 |
| 15.02.2004 Camberwell (VIC) | 4 | 430 | 359 |
| 04.04.2004 Langwarrin (VIC) | 2 | 367 | 365 |
| 16.05.2004 Dandenong (VIC) | 5 | 403 | 429 |
| 28.08.2004 Winter's End (VIC) | 1 | 386 | 331 |
| 20.03.2005 Langwarrin (VIC) | 1 | 315 | 444 |
| 15.05.2005 Dandenong (VIC) | 1 | 358 | 363 |
| 24.07.2005 Midwinter (VIC) | 6 | 361 | 362 |
| 18.04.2010 2010 WYSCFR1 (VIC) | 5 | 447 | 302 |
| 25.07.2010 Nunawading Tournament (VIC) | 6 | 374 | 448 |
| Head-to-head after 17 games | 8 | 9 | |
| Average score | 373.05 | 365.76 | |
| Spread: | 124 | -124 | |