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