| Tournament | Round | Emanuel Atsas | Joan Ashton |
| 17.06.2006 SA June Tournament (SA) | 5 | 248 | 308 |
| 22.07.2007 SA July Tournament (SA) | 4 | 258 | 312 |
| 18.08.2007 August Tournament (SA) | 4 | 317 | 259 |
| 18.11.2007 Brighton November (SA) | 2 | 360 | 298 |
| 09.03.2008 South Australian Championships (SA) | 3 | 310 | 315 |
| 12.04.2008SA April (SA) | 6 | 310 | 305 |
| 22.05.2008 SA May Tournament (SA) | 2 | 319 | 297 |
| 24.08.2008 SA August Tournament (SA) | 4 | 266 | 332 |
| 21.09.2008 SA September Tournament (SA) | 4 | 322 | 315 |
| 25.10.2008 SA October Tournament (SA) | 3 | 352 | 258 |
| 23.11.2008 SA November (SA) | 6 | 294 | 309 |
| 28.12.08 SA Leftovers (SA) | 6 | 349 | 311 |
| 08.02.2009 SA February Tournament (SA) | 2 | 360 | 260 |
| 25.07.2009 July (SA) | 2 | 332 | 294 |
| 19.06.2010 SA June (SA) | 2 | 313 | 218 |
| Head-to-head after 15 games | 10 | 5 | |
| Average score | 314 | 292.73 | |
| Spread: | 319 | -319 | |