| Tournament | Round | Betty Mitchell | Rowena Vnuk |
| 09.03.2008 South Australian Championships (SA) | 7 | 279 | 403 |
| 08.02.2009 SA February Tournament (SA) | 2 | 350 | 462 |
| 14.11.2009 Southern Tournament (SA) | 1 | 388 | 349 |
| 11.03.2012 SA Championship (SA) | 5 | 432 | 374 |
| 11.03.2012 SA Championship (SA) | 16 | 381 | 397 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 366 | 397 | |
| Spread: | -155 | 155 | |