| Tournament | Round | Diane Stoyan | Isabel Van Hoorn |
| 22.06.2003 Nunawading (VIC) | 6 | 520 | 248 |
| 28.12.2003 Decathon (VIC) | 3 | 314 | 499 |
| 29.12.2004 Decathon (VIC) | 8 | 380 | 437 |
| 29.05.2005 Two Rack (VIC) | 1 | 383 | 384 |
| 10.12.2006 McKinnon 2006 (VIC) | 5 | 332 | 356 |
| 28.12.2006 Decathon (VIC) | 10 | 359 | 414 |
| 30.12.2007 DECATHON (VIC) | 4 | 344 | 328 |
| 20.01.2008 Aestival Festival (VIC) | 5 | 366 | 381 |
| 18.01.2009 Aestival (VIC) | 6 | 380 | 376 |
| 17.01.2010 AESTIVAL FESTIVAL (VIC) | 5 | 280 | 399 |
| 23.01.2011 Aestival Festival (VIC) | 7 | 393 | 358 |
| Head-to-head after 11 games | 4 | 7 | |
| Average score | 368.27 | 380 | |
| Spread: | -129 | 129 | |