| Tournament | Round | Betty Foreman | Margaret Griggs |
| 09.04.2012 Australian Championship (TAS) | 18 | 380 | 365 |
| 27.05.2018 BELL WINTER (TAS) | 6 | 388 | 338 |
| 24.06.2018 Kingston June (TAS) | 14 | 344 | 374 |
| 04.11.2018 Tasmanian Championships (TAS) | 3 | 310 | 454 |
| 09.06.2019 Kingston (TAS) | 6 | 350 | 401 |
| 02.02.2020 ulverstone (TAS) | 10 | 386 | 410 |
| 15.03.2020 Kingston (TAS) | 5 | 378 | 416 |
| 01.11.2020 Tasmanian Championship (TAS) | 4 | 369 | 386 |
| 15.05.2021 SH (TAS) | 7 | 371 | 442 |
| Head-to-head after 9 games | 2 | 7 | |
| Average score | 364 | 398.44 | |
| Spread: | -310 | 310 | |