| Tournament | Round | Regine Siedler | Sharon Bellette |
| 24.06.2007 Bellerive (TAS) | 14 | 351 | 383 |
| 02.11.2008 Tasmanian Championships (TAS) | 14 | 411 | 387 |
| 20.06.2009 Bellerive (TAS) | 3 | 347 | 433 |
| 31.10.2009 Tasmanian State Champ (TAS) | 1 | 434 | 414 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 385.75 | 404.25 | |
| Spread: | -74 | 74 | |