| Tournament | Round | Glenys Dettmann | Janet Roberts |
| 24.06.2012 CLOTA COTTAGE (VIC) | 5 | 317 | 361 |
| 11.08.2018 Saturday Sessions 6 (VIC) | 4 | 545 | 251 |
| 27.04.2019 Saturday Sessions 3D (VIC) | 4 | 382 | 314 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 414.66 | 308.66 | |
| Spread: | 318 | -318 | |