| Tournament | Round | Mary Brown | Rhonda Brown |
| 23.11.2001 November (SA) | 2 | 318 | 273 |
| 16.11.2002 November (SA) | 2 | 359 | 335 |
| 15.02.2003 Unley February (SA) | 3 | 393 | 277 |
| 20.11.2005 November (SA) | 2 | 363 | 370 |
| 05.02.2006 Round Robin (SA) | 7 | 517 | 237 |
| 18.08.2007 August Tournament (SA) | 3 | 364 | 347 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 385.66 | 306.5 | |
| Spread: | 475 | -475 | |