| Tournament | Round | Gillian Briggs | Betty Foreman |
| 21.04.2003 Australian Championships (SA) | 20 | 347 | 315 |
| 05.04.2010 Aus Championship (SA) | 10 | 375 | 317 |
| 05.04.2010 Aus Championship (SA) | 21 | 366 | 364 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 362.66 | 332 | |
| Spread: | 92 | -92 | |