| Tournament | Round | Trevor Halsall | Betty Foreman |
| 09.12.2001 ACT Championships (ACT) | 1 | 452 | 326 |
| 27.01.2002 City of Sydney International Masters (NSW) | 11 | 364 | 240 |
| 27.10.2002 Spring Marathon (NSW) | 2 | 382 | 318 |
| 24.11.2002 ACT Championships (ACT) | 2 | 414 | 305 |
| 17.04.2006 Australian Championships (QLD) | 13 | 419 | 303 |
| 09.04.2012 Australian Championship (TAS) | 6 | 479 | 295 |
| Head-to-head after 6 games | 6 | 0 | |
| Average score | 418.33 | 297.83 | |
| Spread: | 723 | -723 | |