| Tournament | Round | Rowena Vnuk | Joy McGowan |
| 30.06.2002 North West Open (QLD) | 8 | 329 | 424 |
| 17.01.2004 Greenbank (QLD) | 5 | 321 | 411 |
| 11.12.2004 December Marathon (QLD) | 2 | 289 | 369 |
| 11.12.2004 December Marathon (QLD) | 7 | 387 | 391 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 331.5 | 398.75 | |
| Spread: | -269 | 269 | |