| Tournament | Round | Joan Ashton | Val Stone |
| 20.10.2007 SA October Tournament (SA) | 5 | 253 | 339 |
| 09.03.2008 South Australian Championships (SA) | 5 | 300 | 335 |
| 22.05.2008 SA May Tournament (SA) | 4 | 294 | 363 |
| 25.10.2008 SA October Tournament (SA) | 6 | 231 | 336 |
| 29.08.2009 SA August (SA) | 6 | 283 | 312 |
| 07.03.2010 SA Championship (SA) | 3 | 275 | 417 |
| 15.05.2010 SA May (SA) | 3 | 279 | 271 |
| 19.06.2010 SA June (SA) | 5 | 255 | 344 |
| Head-to-head after 8 games | 1 | 7 | |
| Average score | 271.25 | 339.62 | |
| Spread: | -547 | 547 | |