| Tournament | Round | David Petrovic | Sylvia Watkins |
| 08.02.1998 North West (TAS) | 6 | 268 | 298 |
| 05.07.1998 Southern Tasmania (TAS) | 2 | 262 | 325 |
| 14.03.1999 Ulverstone (TAS) | 10 | 239 | 395 |
| 24.03.2000 Hobart March (TAS) | 2 | 263 | 443 |
| 31.03.2001 Tasmania March (TAS) | 7 | 254 | 338 |
| 27.10.2001 Tasmanian Championships (TAS) | 11 | 266 | 352 |
| 27.10.2002 Tasmnaian Championships (TAS) | 9 | 248 | 397 |
| 09.02.2003 Ulverstone (TAS) | 9 | 266 | 321 |
| 31.05.2003 Bellerive (TAS) | 5 | 252 | 373 |
| 25.01.2004 Ulverstone (TAS) | 12 | 268 | 388 |
| 16.05.2004 East Coast (TAS) | 11 | 238 | 395 |
| 28.03.2005 Australian Championships (TAS) | 16 | 217 | 461 |
| 02.03.2008 Kingston (TAS) | 10 | 326 | 424 |
| Head-to-head after 13 games | 0 | 13 | |
| Average score | 259 | 377.69 | |
| Spread: | -1543 | 1543 | |