| Tournament | Round | Carol Colwill | Dieter Jedamski |
| 27.12.2017 Christmas Leftovers (SA) | 3 | 457 | 312 |
| 14.04.2018 SA April (SA) | 4 | 364 | 404 |
| 18.08.2019 SA August 4-4 (SA) | 2 | 352 | 434 |
| 08.03.2020 SA Championship (SA) | 4 | 342 | 481 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 378.75 | 407.75 | |
| Spread: | -116 | 116 | |