| Tournament | Round | Margaret Bishop | Betty Egan |
| 01.04.2013 Australian Championship (QLD) | 22 | 361 | 396 |
| 28.03.2016 Australian Championship (SA) | 8 | 335 | 400 |
| 22.04.2019 2019 Australian Championship (TAS) | 9 | 362 | 338 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 352.66 | 378 | |
| Spread: | -76 | 76 | |