| Tournament | Round | Margaret Bishop | Patti Ashwin |
| 17.04.2006 Australian Championships (QLD) | 6 | 476 | 298 |
| 01.04.2013 Australian Championship (QLD) | 1 | 364 | 408 |
| 06.04.2015 Australian Championship (VIC) | 18 | 329 | 426 |
| 17.04.2017 National Championship (WA) | 4 | 357 | 436 |
| 17.04.2017 National Championship (WA) | 23 | 329 | 420 |
| 22.04.2019 2019 Australian Championship (TAS) | 1 | 462 | 286 |
| 17.08.2025 Queensland Championship (QLD) | 12 | 362 | 336 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 382.71 | 372.85 | |
| Spread: | 69 | -69 | |