| Tournament | Round | Joan Ashton | Louisa Atsas |
| 17.06.2006 SA June Tournament (SA) | 4 | 305 | 257 |
| 28.04.2007 SA April Tournament (SA) | 4 | 333 | 334 |
| 09.03.2008 South Australian Championships (SA) | 6 | 264 | 353 |
| 22.05.2008 SA May Tournament (SA) | 1 | 260 | 351 |
| 25.10.2008 SA October Tournament (SA) | 2 | 282 | 274 |
| 23.11.2008 SA November (SA) | 1 | 234 | 320 |
| 28.12.08 SA Leftovers (SA) | 1 | 310 | 325 |
| 24.05.2009 May Tournament (SA) | 1 | 269 | 331 |
| 25.07.2009 July (SA) | 1 | 268 | 372 |
| 29.08.2009 SA August (SA) | 3 | 224 | 362 |
| Head-to-head after 10 games | 2 | 8 | |
| Average score | 274.89 | 327.9 | |
| Spread: | -530 | 530 | |