| Tournament | Round | Gillian Briggs | Doris Schwenn |
| 22.11.1998 Xmas (SA) | 2 | 405 | 293 |
| 19.03.2000 March (SA) | 4 | 322 | 400 |
| 20.08.2000 Unley (SA) | 5 | 352 | 356 |
| 14.01.2001 January Open (SA) | 3 | 272 | 372 |
| 13.01.2002 January Open (SA) | 4 | 336 | 375 |
| 09.03.2002 South Australian Championships (SA) | 7 | 284 | 384 |
| 21.07.2002 Unley July (SA) | 3 | 323 | 409 |
| 08.03.2003 South Australian Championships (SA) | 13 | 432 | 364 |
| 21.04.2003 Australian Championships (SA) | 8 | 329 | 354 |
| 13.09.2003 Southern Tournament (SA) | 1 | 324 | 335 |
| 26.10.2003 Unley October (SA) | 4 | 299 | 400 |
| 30.05.2004 Northern Tournament (SA) | 1 | 436 | 408 |
| 29.08.2004 Unley August (SA) | 5 | 405 | 253 |
| Head-to-head after 13 games | 4 | 9 | |
| Average score | 347.61 | 361.76 | |
| Spread: | -184 | 184 | |