| Tournament | Round | Joan Ashton | Claire Humzy |
| 14.02.1999 South Australian Championships (SA) | 4 | 364 | 342 |
| 21.10.2000 Unley October (SA) | 2 | 303 | 358 |
| 22.11.2000 Unley November (SA) | 2 | 288 | 308 |
| 23.03.2001 South Australian Championships (SA) | 6 | 278 | 308 |
| 25.05.2002 Northern Tournament (SA) | 1 | 257 | 290 |
| 15.02.2003 Unley February (SA) | 2 | 241 | 317 |
| 20.07.2003 Hove (SA) | 5 | 268 | 376 |
| 13.09.2003 Southern Tournament (SA) | 5 | 325 | 284 |
| 19.11.2006 November (SA) | 3 | 287 | 384 |
| 20.10.2007 SA October Tournament (SA) | 1 | 267 | 280 |
| 22.05.2008 SA May Tournament (SA) | 5 | 282 | 278 |
| 23.11.2008 SA November (SA) | 2 | 235 | 352 |
| 08.02.2009 SA February Tournament (SA) | 6 | 267 | 331 |
| 25.07.2009 July (SA) | 5 | 250 | 330 |
| 15.05.2010 SA May (SA) | 5 | 288 | 344 |
| 19.06.2010 SA June (SA) | 6 | 210 | 318 |
| 14.08.2010 August (SA) | 5 | 211 | 436 |
| Head-to-head after 17 games | 3 | 14 | |
| Average score | 271.82 | 331.52 | |
| Spread: | -1015 | 1015 | |