| Tournament | Round | Olga Visser | Julia Sorell |
| 22.04.2000 Australian Championships (QLD) | 17 | 375 | 256 |
| 16.04.2001 Australian Championships (VIC) | 3 | 433 | 337 |
| 28.03.2005 Australian Championships (TAS) | 18 | 433 | 373 |
| 24.03.2008 Australian Championship (VIC) | 24 | 465 | 329 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 426.5 | 323.75 | |
| Spread: | 411 | -411 | |