| Tournament | Round | Isabel Van Hoorn | Wayne Stoyan |
| 30.03.2003 Langwarrin (VIC) | 1 | 368 | 332 |
| 08.06.2003 Victorian Championships (VIC) | 11 | 333 | 415 |
| 28.12.2003 Decathon (VIC) | 4 | 352 | 362 |
| 25.07.2004 Bentleigh (VIC) | 4 | 329 | 391 |
| 28.12.2006 Decathon (VIC) | 7 | 300 | 370 |
| 30.12.2007 DECATHON (VIC) | 6 | 369 | 338 |
| 20.01.2008 Aestival Festival (VIC) | 4 | 367 | 436 |
| 18.01.2009 Aestival (VIC) | 5 | 413 | 231 |
| 20.02.2011 Camberwell (VIC) | 2 | 363 | 399 |
| Head-to-head after 9 games | 3 | 6 | |
| Average score | 354.88 | 363.77 | |
| Spread: | -80 | 80 | |