| Tournament | Round | Gavin Lehner | Joan Riley |
| 27.10.2001 Tasmanian Championships (TAS) | 6 | 261 | 401 |
| 27.10.2002 Tasmnaian Championships (TAS) | 13 | 350 | 336 |
| 19.10.2003 Tasmanian Championships (TAS) | 10 | 340 | 324 |
| 25.01.2004 Ulverstone (TAS) | 5 | 306 | 400 |
| 16.05.2004 East Coast (TAS) | 4 | 307 | 435 |
| 19.06.2004 Bellerive (TAS) | 7 | 353 | 305 |
| 31.10.2004 Tasmanian Championships (TAS) | 8 | 285 | 389 |
| 23.01.2005 Ulverstone (TAS) | 4 | 295 | 320 |
| 15.05.2005 East Coast (TAS) | 12 | 485 | 359 |
| 30.10.2005 Tasmanian Championships (TAS) | 2 | 276 | 421 |
| 29.10.2006 Tasmanian Championships (TAS) | 4 | 344 | 337 |
| 04.03.2007 Kingston (TAS) | 13 | 287 | 375 |
| Head-to-head after 12 games | 5 | 7 | |
| Average score | 324.08 | 366.83 | |