| Date | Tournament | State | Round | Maureen Harris | Margaret Griggs |
|---|---|---|---|---|---|
| 25/01/2004 | Ulverstone | TAS | 9 | 343 | 351 |
| 23/01/2005 | Ulverstone | TAS | 2 | 302 | 420 |
| 22/01/2006 | Ulverstone | TAS | 8 | 351 | 438 |
| 14/05/2006 | Scamander | TAS | 4 | 262 | 389 |
| 14/05/2006 | Scamander | TAS | 13 | 283 | 390 |
| 30/07/2006 | Campbell Town | TAS | 6 | 355 | 375 |
| 27/08/2006 | Exeter Round Robin | TAS | 1 | 285 | 318 |
| 27/08/2006 | Exeter Round Robin | TAS | 8 | 405 | 324 |
| 04/02/2007 | Ulverstone | TAS | 11 | 371 | 347 |
| 06/05/2007 | East Coast | TAS | 10 | 335 | 280 |
| 29/07/2007 | Launceston | TAS | 8 | 283 | 389 |
| 03/02/2008 | Ulverstone | TAS | 5 | 398 | 269 |
| 02/11/2008 | Tasmanian Championships | TAS | 8 | 288 | 414 |
| 08/02/2009 | Ulverstone | TAS | 14 | 333 | 398 |
| 29/06/2013 | Bellerive | TAS | 2 | 338 | 456 |
| 30/06/2013 | Bellerive Open | TAS | 2 | 312 | 353 |
| 13/10/2013 | Campbell Town | TAS | 2 | 287 | 433 |
| 17/08/2025 | Queensland Championship | QLD | 7 | 284 | 466 |
| Head-to-head after 18 games | 4 | 14 | |||
| Average score | 323.06 | 378.33 | |||
| Spread | -995 | 995 | |||