| Date | Tournament | State | Round | Trevor Halsall | David Vanzyl |
|---|---|---|---|---|---|
| 28/03/2016 | Australian Championship | SA | 5 | 436 | 382 |
| 02/04/2018 | 2018 National Championship | ACT | 22 | 397 | 317 |
| 28/01/2019 | City Of Sydney International Masters | NSW | 6 | 331 | 460 |
| 08/09/2019 | Australian Masters and State Team Challenge | ACT | 7 | 358 | 447 |
| 08/03/2020 | SA Championship | SA | 6 | 448 | 416 |
| 08/03/2020 | SA Championship | SA | 11 | 406 | 366 |
| 08/04/2023 | AUS CHAMPS | VIC | 19 | 311 | 427 |
| 07/09/2024 | AUSTRALIAN MASTERS | SA | 19 | 407 | 403 |
| 07/09/2025 | AUSTRALIAN MASTERS AND STATE CHALLENGE | VIC | 2 | 449 | 314 |
| Head-to-head after 9 games | 6 | 3 | |||
| Average score | 393.67 | 392.44 | |||
| Spread | 11 | -11 | |||