| Tournament | Round | Marion Merickel | Betty Foreman |
| 01.04.2013 Australian Championship (QLD) | 15 | 339 | 474 |
| 28.03.2016 Australian Championship (SA) | 8 | 327 | 411 |
| 03.02.2019 Ulverstone (TAS) | 5 | 296 | 368 |
| 02.02.2020 ulverstone (TAS) | 3 | 381 | 396 |
| 20.03.2021 Ross March (TAS) | 1 | 443 | 305 |
| 15.05.2021 SH (TAS) | 1 | 363 | 276 |
| 15.05.2021 SH (TAS) | 10 | 349 | 348 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 356.85 | 368.28 | |
| Spread: | -80 | 80 | |