| Date | Tournament | State | 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 | 259.00 | 377.69 | |||
| Spread | -1543 | 1543 | |||