| Tournament | Round | Daniel Piechnick | Cheah Siu Hean |
| 21.04.2003 Australian Championships (SA) | 13 | 349 | 383 |
| 12.04.2004 Australian Championships (ACT) | 15 | 403 | 446 |
| 21.04.2014 Australian Championship (NSW) | 16 | 452 | 411 |
| 06.04.2015 Australian Championship (VIC) | 18 | 463 | 427 |
| 17.04.2017 National Championship (WA) | 20 | 489 | 442 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 431.2 | 421.8 | |
| Spread: | 47 | -47 | |