| Tournament | Round | Margaret Griggs | Maureen Harris |
| 25.01.2004 Ulverstone (TAS) | 9 | 351 | 343 |
| 23.01.2005 Ulverstone (TAS) | 2 | 420 | 302 |
| 22.01.2006 Ulverstone (TAS) | 8 | 438 | 351 |
| 14.05.2006 Scamander (TAS) | 4 | 389 | 262 |
| 14.05.2006 Scamander (TAS) | 13 | 390 | 283 |
| 30.07.2006 Campbell Town (TAS) | 6 | 375 | 355 |
| 27.08.2006 Exeter Round Robin (TAS) | 1 | 318 | 285 |
| 27.08.2006 Exeter Round Robin (TAS) | 8 | 324 | 405 |
| 04.02.2007 Ulverstone (TAS) | 11 | 347 | 371 |
| 06.05.2007 East Coast (TAS) | 10 | 280 | 335 |
| 29.07.2007 Launceston (TAS) | 8 | 389 | 283 |
| 03.02.2008 Ulverstone (TAS) | 5 | 269 | 398 |
| 02.11.2008 Tasmanian Championships (TAS) | 8 | 414 | 288 |
| 08.02.2009 Ulverstone (TAS) | 14 | 398 | 333 |
| 29.06.2013 Bellerive (TAS) | 2 | 456 | 338 |
| 30.6.2013 Bellerive Open (TAS) | 2 | 353 | 312 |
| 13.10.2013 Campbell Town (TAS) | 2 | 433 | 287 |
| Head-to-head after 17 games | 13 | 4 | |
| Average score | 373.17 | 325.35 | |
| Spread: | 813 | -813 | |