| Tournament | Round | Cheryl Michler | Ivy Nicholls |
| 15.04.1998 Australian Championships (TAS) | 10 | 347 | 281 |
| 21.04.2003 Australian Championships (SA) | 14 | 367 | 398 |
| 25.04.2011 Aus Championship (ACT) | 24 | 341 | 374 |
| 09.04.2012 Australian Championship (TAS) | 4 | 342 | 437 |
| 09.04.2012 Australian Championship (TAS) | 14 | 389 | 326 |
| 22.04.2019 2019 Australian Championship (TAS) | 15 | 438 | 244 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 370.66 | 343.33 | |
| Spread: | 164 | -164 | |