| Date | Tournament | State | 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 | 366.00 | 397.00 | |||
| Spread | -155 | 155 | |||