| Tournament | Round | Doug Ristic | Isabel Van Hoorn |
| 29.12.2002 Decathon (VIC) | 8 | 324 | 373 |
| 28.08.2004 Winter's End (VIC) | 6 | 418 | 285 |
| 29.05.2005 Two Rack (VIC) | 6 | 349 | 385 |
| 02.04.2006 Langwarrin (VIC) | 1 | 295 | 326 |
| 10.03.2007 Raymond Island (VIC) | 3 | 427 | 384 |
| 10.03.2007 Raymond Island (VIC) | 12 | 336 | 381 |
| 20.01.2008 Aestival Festival (VIC) | 6 | 363 | 281 |
| 15.02.2009 Camberwell (VIC) | 6 | 399 | 298 |
| 25.07.2010 Nunawading Tournament (VIC) | 3 | 445 | 312 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 372.88 | 336.11 | |