| Tournament | Round | Margaret Gibson | Marlene Brown |
| 07.11.2002 September (SA) | 1 | 307 | 365 |
| 16.11.2002 November (SA) | 1 | 354 | 325 |
| 18.07.2010 SA Pub July (SA) | 4 | 422 | 302 |
| 05.05.2012 SA MAY (SA) | 3 | 380 | 378 |
| 16.10.2016 Vic/SA Border Challenge (VIC) | 7 | 371 | 427 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 366.8 | 359.4 | |
| Spread: | 37 | -37 | |