| Tournament | Round | Trevor Halsall | Wilma Vialle |
| 22.04.2000 Australian Championships (QLD) | 15 | 453 | 325 |
| 02.10.2000 New South Wales Championships (NSW) | 14 | 463 | 340 |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 4 | 350 | 300 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 422 | 321.66 | |
| Spread: | 301 | -301 | |