| Tournament | Round | Ivy Nicholls | Olga Visser |
| 15.04.1998 Australian Championships (TAS) | 3 | 336 | 352 |
| 05.04.2010 Aus Championship (SA) | 6 | 388 | 372 |
| 09.04.2012 Australian Championship (TAS) | 23 | 397 | 300 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 373.66 | 341.33 | |
| Spread: | 97 | -97 | |