| Tournament | Round | Doreen Ivanovski | Isabel Van Hoorn |
| 16.05.1998 Dandenong (VIC) | 3 | 325 | 345 |
| 30.08.1998 Knox (VIC) | 3 | 351 | 422 |
| 25.10.1998 Frankston (VIC) | 5 | 376 | 440 |
| 26.09.1999 Essendon (VIC) | 2 | 415 | 356 |
| 21.05.2000 Dandenong (VIC) | 3 | 480 | 368 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 389.4 | 386.2 | |
| Spread: | 16 | -16 | |