| Tournament | Round | Marlene Brown | Rosemary Brown |
| 23.05.1999 May (SA) | 5 | 329 | 340 |
| 13.02.2000 South Australian Championships (SA) | 10 | 326 | 385 |
| 14.10.2001 October (SA) | 2 | 348 | 405 |
| 16.11.2002 November (SA) | 3 | 372 | 376 |
| 08.03.2003 South Australian Championships (SA) | 1 | 324 | 345 |
| 08.03.2003 South Australian Championships (SA) | 8 | 348 | 354 |
| 25.05.2003 Northern Tournament (SA) | 6 | 362 | 331 |
| 10.08.2003 Unley August (SA) | 4 | 337 | 329 |
| 18.06.2005 June (SA) | 4 | 409 | 304 |
| Head-to-head after 9 games | 3 | 6 | |
| Average score | 350.55 | 352.11 | |
| Spread: | -14 | 14 | |