| Tournament | Round | Peter Bauer | Ivy Nicholls |
| 21.04.2003 Australian Championships (SA) | 21 | 390 | 298 |
| 12.04.2004 Australian Championships (ACT) | 9 | 346 | 320 |
| 24.03.2008 Australian Championship (VIC) | 10 | 368 | 348 |
| 28.03.2016 Australian Championship (SA) | 11 | 342 | 410 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 361.5 | 344 | |
| Spread: | 70 | -70 | |