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