| Tournament | Round | Ivy Nicholls | Pat Schuberg |
| 21.04.2003 Australian Championships (SA) | 2 | 463 | 222 |
| 25.04.2011 Aus Championship (ACT) | 3 | 427 | 344 |
| 06.04.2015 Australian Championship (VIC) | 19 | 350 | 394 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 413.33 | 320 | |
| Spread: | 280 | -280 | |