| Tournament | Round | Michael Vnuk | Trevor Halsall |
| 21.01.1999 City of Sydney Masters (NSW) | 9 | 241 | 425 |
| 05.04.1999 Australian Championships (NSW) | 7 | 364 | 425 |
| 16.04.2001 Australian Championships (VIC) | 5 | 333 | 420 |
| 06.03.2021 SA Champs (SA) | 2 | 466 | 333 |
| 08.03.2025 SA Champs (SA) | 4 | 331 | 414 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 347 | 403.4 | |
| Spread: | -282 | 282 | |