| Tournament | Round | Helen Metaxas | Regine Siedler |
| 24.06.2007 Bellerive (TAS) | 2 | 289 | 382 |
| 25.08.2007 Newtown (TAS) | 6 | 385 | 334 |
| 28.10.2007 Tasmanian Championships (TAS) | 7 | 393 | 361 |
| 09.05.2009 Berriedale Open (TAS) | 7 | 448 | 346 |
| 20.06.2009 Bellerive (TAS) | 2 | 364 | 400 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 375.8 | 364.6 | |
| Spread: | 56 | -56 | |