| Tournament | Round | Gavin Lehner | Marion Merickel |
| 06.07.2003 East Coast (TAS) | 4 | 304 | 305 |
| 01.08.2004 Campbell Town (TAS) | 13 | 288 | 306 |
| 24.07.2005 Campbell Town (TAS) | 6 | 292 | 315 |
| 14.05.2006 Scamander (TAS) | 1 | 310 | 258 |
| 14.05.2006 Scamander (TAS) | 10 | 383 | 401 |
| 29.10.2006 Tasmanian Championships (TAS) | 13 | 319 | 399 |
| 06.05.2007 East Coast (TAS) | 10 | 357 | 333 |
| 29.07.2007 Launceston (TAS) | 9 | 321 | 412 |
| 08.08.2009 Launceston (TAS) | 5 | 271 | 429 |
| 31.10.2009 Tasmanian State Champ (TAS) | 4 | 345 | 399 |
| 06.02.2010 Ulverstone 2010 (TAS) | 14 | 264 | 424 |
| 20.03.2010 Kingston 2 Sat (TAS) | 5 | 361 | 361 |
| 06.11.2011 State Championship (TAS) | 8 | 345 | 389 |
| 09.04.2012 Australian Championship (TAS) | 1 | 276 | 403 |
| 13.01.2013 Campbell Town (TAS) | 4 | 357 | 409 |
| Head-to-head after 15 games | 2.5 | 12.5 | |
| Average score | 319.53 | 369.53 | |