| Date | Tournament | State | Round | Roberta Tait | Margot Carnachan |
|---|---|---|---|---|---|
| 29/08/2009 | Qld Champs Sat | QLD | 7 | 398 | 366 |
| 10/10/2010 | Oktober Scrabblefest | QLD | 6 | 396 | 334 |
| 12/03/2011 | Redland Bay | QLD | 5 | 341 | 393 |
| 09/02/2014 | Alzheimer's FR Sunday | QLD | 1 | 434 | 301 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 392.25 | 348.50 | |||
| Spread | 175 | -175 | |||