| Tournament | Round | Regine Siedler | Dawn Boyle |
| 24.06.2007 Bellerive (TAS) | 5 | 327 | 332 |
| 25.08.2007 Newtown (TAS) | 7 | 342 | 364 |
| 28.10.2007 Tasmanian Championships (TAS) | 6 | 347 | 237 |
| 02.03.2008 Kingston (TAS) | 6 | 282 | 447 |
| 31.10.2009 Tasmanian State Champ (TAS) | 7 | 348 | 366 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 329.2 | 349.2 | |
| Spread: | -100 | 100 | |