| Tournament | Round | Gillian Briggs | Anne Michell |
| 23.05.1999 May (SA) | 2 | 374 | 386 |
| 22.08.1999 August (SA) | 3 | 340 | 440 |
| 09.03.2002 South Australian Championships (SA) | 2 | 348 | 360 |
| 21.07.2002 Unley July (SA) | 5 | 339 | 458 |
| 15.02.2003 Unley February (SA) | 6 | 381 | 384 |
| 08.03.2003 South Australian Championships (SA) | 2 | 307 | 365 |
| 21.04.2003 Australian Championships (SA) | 2 | 325 | 351 |
| 10.08.2003 Unley August (SA) | 4 | 334 | 405 |
| 15.11.2003 Unley November (SA) | 2 | 334 | 499 |
| 24.04.2004 Unley April (SA) | 4 | 415 | 366 |
| 29.08.2004 Unley August (SA) | 3 | 369 | 328 |
| 18.09.2004 Southern Tournament (SA) | 2 | 435 | 374 |
| 16.04.2005 April (SA) | 3 | 370 | 351 |
| 11.09.2005 September (SA) | 3 | 364 | 397 |
| 15.10.2005 October (SA) | 6 | 374 | 328 |
| 05.02.2006 Round Robin (SA) | 4 | 398 | 338 |
| 12.03.2006 South Australian Championships (SA) | 4 | 383 | 344 |
| 12.03.2006 South Australian Championships (SA) | 10 | 348 | 435 |
| Head-to-head after 18 games | 7 | 11 | |
| Average score | 363.22 | 383.83 | |
| Spread: | -371 | 371 | |