| Tournament | Round | David Lemish | Isabel Van Hoorn |
| 29.12.2004 Decathon (VIC) | 9 | 388 | 347 |
| 24.07.2005 Midwinter (VIC) | 2 | 336 | 376 |
| 30.11.2008 Bentleigh (VIC) | 2 | 241 | 398 |
| 18.04.2010 2010 WYSCFR1 (VIC) | 7 | 432 | 313 |
| 25.07.2010 Nunawading Tournament (VIC) | 2 | 471 | 387 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 373.6 | 364.2 | |
| Spread: | 47 | -47 | |