| Tournament | Round | Robin Austin | Susan Roberts |
| 22.02.2014 SA February (SA) | 5 | 382 | 227 |
| 09.04.2016 SA April (SA) | 5 | 448 | 427 |
| 14.05.2016 SA May (SA) | 1 | 413 | 427 |
| 18.06.2016 June SA Scrabble (SA) | 5 | 441 | 317 |
| 27.12.2017 Christmas Leftovers (SA) | 1 | 391 | 429 |
| 12.05.2018 SA May (SA) | 3 | 358 | 322 |
| 18.08.2018 SA August (SA) | 4 | 413 | 400 |
| 09.02.2019 February Pub Tourney (SA) | 4 | 349 | 358 |
| 17.01.2021 SA January (SA) | 2 | 341 | 442 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 392.88 | 372.11 | |