| Tournament | Round | Margot Carnachan | Martin Waterworth |
| 12.01.2003 Greenbank (QLD) | 5 | 366 | 389 |
| 15.11.2003 Cleveland (QLD) | 2 | 406 | 423 |
| 15.01.2005 Greenbank (QLD) | 4 | 395 | 477 |
| 06.11.2005 Newmarket (QLD) | 6 | 314 | 377 |
| 12.11.2005 Cleveland (QLD) | 4 | 395 | 348 |
| 31.03.2007 qld warmup (QLD) | 5 | 397 | 462 |
| 06.05.2007 Queensland Championships Sunday Round Robin (QLD) | 3 | 378 | 341 |
| 01.07.2007 Coominya (QLD) | 3 | 345 | 299 |
| 26.10.2008 Mindbenders Sunday (QLD) | 6 | 373 | 285 |
| 10.10.2010 Oktober Scrabblefest (QLD) | 5 | 279 | 448 |
| 12.03.2011 Redland Bay (QLD) | 1 | 422 | 332 |
| Head-to-head after 11 games | 5 | 6 | |
| Average score | 370 | 380.09 | |
| Spread: | -111 | 111 | |