| Tournament | Round | Merle Sharrock | Marlene Brown |
| 30.05.2004 Northern Tournament (SA) | 3 | 327 | 303 |
| 19.11.2006 November (SA) | 4 | 279 | 396 |
| 04.02.2007 SA February Tournament (SA) | 6 | 341 | 373 |
| 16.06.2006 June (SA) | 6 | 332 | 326 |
| 22.07.2007 SA July Tournament (SA) | 6 | 306 | 330 |
| 23.09.2007 September Tournament (SA) | 6 | 273 | 338 |
| Head-to-head after 6 games | 2 | 4 | |
| Average score | 309.66 | 344.33 | |
| Spread: | -208 | 208 | |