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