| Tournament | Round | Rowena Vnuk | Vicki Underhill |
| 21.08.2005 Queensland Championships (QLD) | 2 | 390 | 408 |
| 17.04.2006 Australian Championships (QLD) | 4 | 341 | 523 |
| 17.04.2006 Australian Championships (QLD) | 16 | 432 | 417 |
| 02.10.2006 New South Wales Championships (NSW) | 15 | 399 | 434 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 390.5 | 445.5 | |
| Spread: | -220 | 220 | |