| Tournament | Round | Betty Mitchell | Val Stone |
| 26.06.2004 Unley June (SA) | 1 | 394 | 298 |
| 18.07.2010 SA Pub July (SA) | 6 | 413 | 321 |
| 06.02.2011 SA February (SA) | 1 | 396 | 288 |
| 20.06.2015 SA June (SA) | 3 | 278 | 405 |
| 21.11.2015 SA November (SA) | 6 | 320 | 331 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 360.2 | 328.6 | |
| Spread: | 158 | -158 | |