| Tournament | Round | Helen Jones | Dieter Jedamski |
| 19.10.2014 SA/Vic Border Challenge (VIC) | 2 | 377 | 329 |
| 11.03.2018 SA Championship (SA) | 9 | 322 | 396 |
| 14.04.2018 SA April (SA) | 2 | 374 | 450 |
| 15.09.2018 SA September (SA) | 5 | 362 | 411 |
| 10.03.2019 SA Championship (SA) | 8 | 338 | 411 |
| 27.12.2020 Xmas Leftovers (SA) | 3 | 366 | 406 |
| 14.11.2021 SA November (SA) | 3 | 317 | 406 |
| 27.12.2022 Xmas Leftovers 22 (SA) | 4 | 369 | 379 |
| 14.01.2023 Social Scrabble January (SA) | 2 | 446 | 346 |
| 11.03.2023 SA Scrabble Champs (SA) | 14 | 354 | 404 |
| Head-to-head after 10 games | 2 | 8 | |
| Average score | 362.5 | 393.8 | |
| Spread: | -313 | 313 | |