| Tournament | Round | Olga Visser | Owen Randall |
| 09.04.2012 Australian Championship (TAS) | 5 | 400 | 353 |
| 21.04.2014 Australian Championship (NSW) | 11 | 388 | 286 |
| 16.04.2022 Australian Championship (QLD) | 11 | 401 | 328 |
| 08.04.2023 PLATE (VIC) | 12 | 311 | 389 |
| 30.03.2024 National Plate (WA) | 8 | 353 | 387 |
| 30.03.2024 National Plate (WA) | 16 | 433 | 361 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 381 | 350.66 | |
| Spread: | 182 | -182 | |