| Tournament | Round | Daniel Piechnick | Dianne Davis |
| 14.02.1999 South Australian Championships (SA) | 8 | 398 | 400 |
| 14.02.1999 South Australian Championships (SA) | 14 | 454 | 348 |
| 13.02.2000 South Australian Championships (SA) | 9 | 469 | 382 |
| 22.04.2000 Australian Championships (QLD) | 14 | 391 | 380 |
| 19.04.2025 National Championship and Plate (SA) | 20 | 500 | 311 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 442.4 | 364.2 | |
| Spread: | 391 | -391 | |