| Tournament | Round | Isabel Van Hoorn | Paula Messer |
| 26.04.1998 Western Suburbs (VIC) | 1 | 401 | 341 |
| 28.05.2006 06DAND.TOU (VIC) | 6 | 408 | 470 |
| 30.12.2007 DECATHON (VIC) | 9 | 343 | 298 |
| 23.05.2010 cranbourne (VIC) | 7 | 399 | 425 |
| 23.01.2011 Aestival Festival (VIC) | 2 | 413 | 297 |
| 20.02.2011 Camberwell (VIC) | 5 | 305 | 427 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 378.16 | 376.33 | |
| Spread: | 11 | -11 | |