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