| Tournament | Round | Nan Smith | Isabel Van Hoorn |
| 07.03.1999 Bendigo (VIC) | 3 | 364 | 402 |
| 17.04.1999 Knox-Gully (VIC) | 4 | 448 | 366 |
| 21.05.2000 Dandenong (VIC) | 6 | 382 | 330 |
| 29.10.2000 Teams Event (VIC) | 1 | 364 | 378 |
| 29.12.2001 Decathon (VIC) | 4 | 321 | 389 |
| 01.12.2002 McKinnon (VIC) | 3 | 343 | 314 |
| 19.01.2003 Bil Rose Aestival (VIC) | 5 | 328 | 330 |
| 28.12.2003 Decathon (VIC) | 10 | 406 | 400 |
| 28.08.2004 Winter's End (VIC) | 3 | 337 | 362 |
| 20.08.2005 Bentleigh (VIC) | 2 | 417 | 393 |
| 11.09.2005 World Scrabble Championships Fundraiser (VIC) | 2 | 408 | 302 |
| 28.12.2005 Decathon (VIC) | 3 | 389 | 413 |
| 07.01.2006 Mind Sports (VIC) | 3 | 420 | 352 |
| 02.04.2006 Langwarrin (VIC) | 3 | 409 | 349 |
| 10.03.2007 Raymond Island (VIC) | 8 | 308 | 357 |
| 30.12.2007 DECATHON (VIC) | 3 | 376 | 301 |
| 20.01.2008 Aestival Festival (VIC) | 2 | 418 | 361 |
| 28.09.2008 Essendon (VIC) | 5 | 292 | 399 |
| 30.11.2008 Bentleigh (VIC) | 6 | 390 | 404 |
| Head-to-head after 19 games | 10 | 9 | |
| Average score | 374.73 | 363.26 | |
| Spread: | 218 | -218 | |