| Tournament | Round | Teresa Dean | Louisa Atsas |
| 07.03.2010 SA Championship (SA) | 10 | 315 | 271 |
| 08.03.2014 SA Championship (SA) | 1 | 366 | 308 |
| 09.09.2017 SAT 4+4 (SA) | 3 | 419 | 367 |
| 12.03.2022 SA Scrabble Champs (SA) | 7 | 315 | 310 |
| 15.02.2026 SA February (SA) | 4 | 371 | 366 |
| 07.03.2026 SA Champs 2026 (SA) | 2 | 423 | 355 |
| Head-to-head after 6 games | 6 | 0 | |
| Average score | 368.16 | 329.5 | |
| Spread: | 232 | -232 | |