| Tournament | Round | David Petrovic | Joan Riley |
| 31.03.2001 Tasmania March (TAS) | 5 | 279 | 346 |
| 27.10.2002 Tasmnaian Championships (TAS) | 12 | 245 | 422 |
| 25.01.2004 Ulverstone (TAS) | 6 | 301 | 408 |
| 31.10.2004 Tasmanian Championships (TAS) | 3 | 263 | 409 |
| 30.10.2005 Tasmanian Championships (TAS) | 7 | 263 | 373 |
| 24.06.2006 Bellerive (TAS) | 4 | 268 | 447 |
| 29.10.2006 Tasmanian Championships (TAS) | 3 | 277 | 317 |
| Head-to-head after 7 games | 0 | 7 | |
| Average score | 270.85 | 388.85 | |
| Spread: | -826 | 826 | |