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