| Tournament | Round | Gillian Briggs | Pam Thomas |
| 02.02.2002 Ulverstone February (TAS) | 8 | 368 | 348 |
| 21.04.2003 Australian Championships (SA) | 16 | 375 | 348 |
| 20.03.2011 Kingston Sunday (TAS) | 4 | 470 | 377 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 404.33 | 357.66 | |
| Spread: | 140 | -140 | |