| Tournament | Round | Karen Richards | Susan Roberts |
| 13.03.2016 SA Championship (SA) | 1 | 497 | 297 |
| 03.11.2022 Seniors Championship (NSW) | 24 | 321 | 444 |
| 11.03.2023 SA Scrabble Champs (SA) | 10 | 391 | 379 |
| 13.03.2023 Womens Championship (SA) | 2 | 398 | 381 |
| 09.03.2024 SA CHAMPS 2024 (SA) | 1 | 337 | 433 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 388.8 | 386.8 | |
| Spread: | 10 | -10 | |