| Tournament | Round | Gillian Briggs | Alastair Richards |
| 19.01.2000 January Open (SA) | 6 | 447 | 289 |
| 23.03.2001 South Australian Championships (SA) | 8 | 350 | 324 |
| 08.03.2003 South Australian Championships (SA) | 6 | 424 | 364 |
| 11.03.2007 South Australian Championships (SA) | 2 | 371 | 459 |
| 11.03.2007 South Australian Championships (SA) | 11 | 352 | 406 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 388.8 | 368.4 | |
| Spread: | 102 | -102 | |