| Tournament | Round | Isabel Van Hoorn | Margaret Magro |
| 27.04.2002 Western Suburbs (VIC) | 4 | 448 | 336 |
| 30.11.2003 McKinnon (VIC) | 1 | 358 | 376 |
| 16.05.2004 Dandenong (VIC) | 4 | 408 | 300 |
| 11.09.2005 World Scrabble Championships Fundraiser (VIC) | 1 | 305 | 292 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 379.75 | 326 | |
| Spread: | 215 | -215 | |