| Tournament | Round | Trevor Halsall | Kerry Constable |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 7 | 350 | 300 |
| 01.10.2001 New South Wales Championships (NSW) | 17 | 429 | 354 |
| 09.12.2001 ACT Championships (ACT) | 10 | 435 | 357 |
| 24.11.2002 ACT Championships (ACT) | 8 | 332 | 441 |
| 24.11.2002 ACT Championships (ACT) | 12 | 379 | 292 |
| 04.05.2003 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 3 | 352 | 363 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 4 | 496 | 358 |
| 17.04.2005 NSW/Victoria Border Challenge, Wagga Wagga (NSW) | 5 | 357 | 397 |
| Head-to-head after 8 games | 5 | 3 | |
| Average score | 391.25 | 357.75 | |