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