| Tournament | Round | Louisa Atsas | Sharon Sorensen |
| 05.04.2010 Aus Championship (SA) | 16 | 286 | 334 |
| 28.03.2016 Australian Championship (SA) | 20 | 360 | 404 |
| 22.04.2019 2019 Australian Championship (TAS) | 12 | 375 | 414 |
| 11.03.2023 SA Scrabble Champs (SA) | 15 | 321 | 339 |
| 13.03.2023 Womens Championship (SA) | 2 | 351 | 415 |
| 19.04.2025 National Championship and Plate (SA) | 1 | 281 | 378 |
| Head-to-head after 6 games | 0 | 6 | |
| Average score | 329 | 380.66 | |
| Spread: | -310 | 310 | |