| Tournament | Round | Carol Johnsen | Alex Boiko |
| 11.09.2016 MASTERS AND STATE CHAL (VIC) | 1 | 427 | 409 |
| 02.04.2018 2018 National Championship (ACT) | 23 | 365 | 370 |
| 08.09.2019 Australian Masters and State Team Challenge (ACT) | 10 | 377 | 443 |
| 03.04.2021 OZ CHAMPS (NSW) | 18 | 385 | 371 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 388.5 | 398.25 | |