| Date | Tournament | State | Round | Margaret Griggs | Gavin Lehner |
|---|---|---|---|---|---|
| 19/10/2003 | Tasmanian Championships | TAS | 11 | 386 | 294 |
| 25/01/2004 | Ulverstone | TAS | 7 | 318 | 341 |
| 01/08/2004 | Campbell Town | TAS | 4 | 351 | 309 |
| 31/10/2004 | Tasmanian Championships | TAS | 12 | 416 | 326 |
| 26/06/2005 | Bellerive | TAS | 3 | 431 | 350 |
| 24/07/2005 | Campbell Town | TAS | 2 | 337 | 286 |
| 22/01/2006 | Ulverstone | TAS | 12 | 350 | 338 |
| 05/03/2006 | Beaconsfield | TAS | 2 | 425 | 256 |
| 24/06/2006 | Bellerive | TAS | 2 | 430 | 295 |
| 04/02/2007 | Ulverstone | TAS | 7 | 380 | 348 |
| 24/06/2007 | Bellerive | TAS | 11 | 358 | 272 |
| 29/07/2007 | Launceston | TAS | 13 | 452 | 365 |
| 03/02/2008 | Ulverstone | TAS | 13 | 367 | 308 |
| 21/09/2008 | Glenorchy | TAS | 7 | 509 | 300 |
| 02/11/2008 | Tasmanian Championships | TAS | 9 | 336 | 340 |
| 06/02/2010 | Ulverstone 2010 | TAS | 4 | 398 | 291 |
| 20/06/2010 | Eastern Shore | TAS | 4 | 383 | 300 |
| 06/11/2010 | State Championship | TAS | 10 | 314 | 357 |
| 11/12/2010 | Ross Xmas 2010 | TAS | 6 | 396 | 274 |
| 20/03/2011 | Kingston Sunday | TAS | 1 | 389 | 364 |
| 21/08/2011 | Campbell Town | TAS | 6 | 384 | 305 |
| 06/11/2011 | State Championship | TAS | 14 | 454 | 305 |
| 17/03/2012 | Kingston Saturday | TAS | 1 | 388 | 310 |
| 24/06/2012 | Bellerive | TAS | 5 | 380 | 340 |
| Head-to-head after 24 games | 21 | 3 | |||
| Average score | 388.83 | 315.58 | |||
| Spread | 1758 | -1758 | |||