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