| Tournament | Round | Isabel Van Hoorn | Beryl Bourne |
| 08.06.2003 Victorian Championships (VIC) | 9 | 436 | 405 |
| 27.07.2003 Bentleigh (VIC) | 5 | 347 | 350 |
| 31.08.2003 WSC Fundraiser (VIC) | 7 | 382 | 349 |
| 19.10.2003 Frankston (VIC) | 2 | 370 | 326 |
| 04.04.2004 Langwarrin (VIC) | 6 | 380 | 424 |
| 20.03.2005 Langwarrin (VIC) | 4 | 276 | 417 |
| 24.07.2005 Midwinter (VIC) | 3 | 332 | 427 |
| 11.09.2005 World Scrabble Championships Fundraiser (VIC) | 3 | 343 | 397 |
| 12.02.2006 Camberwell (VIC) | 6 | 345 | 418 |
| 02.07.2006 Bentleigh (VIC) | 2 | 315 | 403 |
| 28.12.2006 Decathon (VIC) | 6 | 409 | 343 |
| 30.11.2008 Bentleigh (VIC) | 5 | 339 | 343 |
| 17.01.2010 AESTIVAL FESTIVAL (VIC) | 3 | 318 | 326 |
| Head-to-head after 13 games | 4 | 9 | |
| Average score | 353.23 | 379.07 | |
| Spread: | -336 | 336 | |