| Date | Tournament | State | Round | Trevor Halsall | Michael Vnuk |
|---|---|---|---|---|---|
| 21/01/1999 | City of Sydney Masters | NSW | 9 | 425 | 241 |
| 05/04/1999 | Australian Championships | NSW | 7 | 425 | 364 |
| 16/04/2001 | Australian Championships | VIC | 5 | 420 | 333 |
| 06/03/2021 | SA Champs | SA | 2 | 333 | 466 |
| 08/03/2025 | SA Champs | SA | 4 | 414 | 331 |
| Head-to-head after 5 games | 4 | 1 | |||
| Average score | 403.40 | 347.00 | |||
| Spread | 282 | -282 | |||