| Tournament | Round | Merle Sharrock | Betty Mitchell |
| 13.03.2005 South Australian Championships (SA) | 2 | 435 | 350 |
| 21.08.2005 August (SA) | 1 | 378 | 269 |
| 17.06.2006 SA June Tournament (SA) | 3 | 436 | 267 |
| 19.11.2006 November (SA) | 1 | 371 | 330 |
| 04.02.2007 SA February Tournament (SA) | 3 | 403 | 292 |
| 28.04.2007 SA April Tournament (SA) | 2 | 309 | 356 |
| 20.05.2007 May Tournament (SA) | 2 | 308 | 493 |
| 18.08.2007 August Tournament (SA) | 6 | 423 | 352 |
| 23.09.2007 September Tournament (SA) | 2 | 354 | 306 |
| Head-to-head after 9 games | 7 | 2 | |
| Average score | 379.66 | 335 | |
| Spread: | 402 | -402 | |