| Date | Tournament | State | 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 | 370.00 | 380.09 | |||
| Spread | -111 | 111 | |||