| Tournament | Round | Margaret Griggs | David Petrovic |
| 25.01.2004 Ulverstone (TAS) | 8 | 383 | 342 |
| 14.03.2004 Launceston (TAS) | 13 | 403 | 288 |
| 16.05.2004 East Coast (TAS) | 3 | 429 | 267 |
| 31.10.2004 Tasmanian Championships (TAS) | 10 | 389 | 280 |
| 30.10.2005 Tasmanian Championships (TAS) | 12 | 522 | 195 |
| 06.05.2007 East Coast (TAS) | 8 | 457 | 330 |
| 17.05.2015 Scamander (TAS) | 14 | 468 | 266 |
| 29.05.2016 East Coast (TAS) | 3 | 362 | 344 |
| Head-to-head after 8 games | 8 | 0 | |
| Average score | 426.62 | 289 | |
| Spread: | 1101 | -1101 | |