| Tournament | Round | Mary Brown | Gillian Briggs |
| 21.03.1998 February (SA) | 1 | 395 | 357 |
| 22.11.1998 Xmas (SA) | 6 | 270 | 468 |
| 20.10.2002 October (SA) | 1 | 271 | 460 |
| 21.06.2003 Unley June (SA) | 4 | 361 | 387 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 324.25 | 418 | |
| Spread: | -375 | 375 | |