| Tournament | Round | Margaret Bishop | Trish Cearns |
| 24.03.2008 Australian Championship (VIC) | 4 | 333 | 355 |
| 05.04.2010 Aus Championship (SA) | 9 | 341 | 338 |
| 01.04.2013 Australian Championship (QLD) | 5 | 357 | 386 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 343.66 | 359.66 | |
| Spread: | -48 | 48 | |