| Tournament | Round | Olga Visser | Carol Johnston |
| 08.06.2008 Woomba Wound Wobins (QLD) | 7 | 442 | 318 |
| 28.08.2011 Qld Championships (QLD) | 6 | 460 | 215 |
| 14.06.2015 Palmwoods (QLD) | 1 | 329 | 387 |
| 14.10.2017 Bremer Waters 2 (QLD) | 1 | 480 | 300 |
| 21.07.2019 QAH July (QLD) | 1 | 395 | 255 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 421.2 | 295 | |
| Spread: | 631 | -631 | |