| Tournament | Round | Daniel Piechnick | David Vanzyl |
| 17.04.2017 National Championship (WA) | 15 | 450 | 422 |
| 10.09.2017 AMSC 2017 (SA) | 1 | 449 | 357 |
| 08.03.2020 SA Championship (SA) | 14 | 521 | 281 |
| 07.09.2024 AUSTRALIAN MASTERS (SA) | 14 | 447 | 446 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 466.75 | 376.5 | |
| Spread: | 361 | -361 | |