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