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