| Tournament | Round | Mona Stephens | Marion Merickel |
| 20.04.2002 Beaumaris (TAS) | 1 | 267 | 419 |
| 15.05.2005 East Coast (TAS) | 6 | 237 | 435 |
| 24.07.2005 Campbell Town (TAS) | 10 | 219 | 485 |
| 29.10.2006 Tasmanian Championships (TAS) | 10 | 359 | 451 |
| 06.05.2007 East Coast (TAS) | 14 | 468 | 330 |
| 29.07.2007 Launceston (TAS) | 14 | 319 | 334 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 311.5 | 409 | |