| Tournament | Round | Roberta Tait | Marilyn Smith |
| 16.09.2001 Toowoomba (QLD) | 4 | 321 | 401 |
| 15.09.2002 Toowoomba (QLD) | 4 | 334 | 273 |
| 20.10.2002 Mindbenders Standard (QLD) | 4 | 360 | 376 |
| 27.07.2003 Newmarket (QLD) | 2 | 367 | 347 |
| 10.02.2008 Ipswich (QLD) | 6 | 388 | 402 |
| 05.07.2009 Coominya (QLD) | 3 | 360 | 264 |
| 24.10.2009 Redcliffe ABC (QLD) | 3 | 393 | 379 |
| 27.12.2009 Last Chance (QLD) | 5 | 299 | 393 |
| 17.01.2010 Logan Clovers (QLD) | 7 | 480 | 316 |
| 13.02.2010 Ipswich (QLD) | 1 | 383 | 358 |
| 10.10.2010 Oktober Scrabblefest (QLD) | 5 | 398 | 307 |
| 16.01.2011 Logan Clovers (QLD) | 1 | 426 | 411 |
| 08.10.2011 West End Inaugural (QLD) | 3 | 342 | 360 |
| 10.03.2012 Redland Bay (QLD) | 2 | 447 | 354 |
| 25.03.2012 March Marathon (QLD) | 12 | 442 | 362 |
| 25.11.2012 Southport (QLD) | 7 | 402 | 305 |
| 20.01.2013 Logan Clovers (QLD) | 4 | 364 | 367 |
| 09.03.2013 Redland Bay (QLD) | 4 | 391 | 343 |
| 09.02.2014 Alzheimer's FR Sunday (QLD) | 8 | 391 | 280 |
| 21.09.2014 Toowoomba (QLD) | 5 | 252 | 366 |
| 18.01.2015 Clovers (QLD) | 4 | 390 | 332 |
| 17.01.2016 Logan Clovers (QLD) | 7 | 278 | 392 |
| 17.01.2016 Logan Clovers (QLD) | 8 | 425 | 339 |
| Head-to-head after 23 games | 15 | 8 | |
| Average score | 375.34 | 349 | |
| Spread: | 606 | -606 | |