| Tournament | Round | Harry Malcolm | Daniel Piechnick |
| 14.02.1999 South Australian Championships (SA) | 5 | 373 | 394 |
| 05.04.1999 Australian Championships (NSW) | 4 | 392 | 466 |
| 01.08.1999 Winter Masters (NSW) | 14 | 307 | 359 |
| 01.08.1999 Winter Masters (NSW) | 20 | 321 | 431 |
| 12.06.2000 Victorian Championships (VIC) | 16 | 408 | 324 |
| 18.11.2001 SA/Victoria Border Challenge (VIC) | 5 | 361 | 451 |
| 03.11.2002 SA/Victoria Border Challenge Dimboola (VIC) | 1 | 411 | 368 |
| 31.10.2004 SA/Victoria Border Challenge Dimboola (VIC) | 10 | 471 | 370 |
| 30.10.2005 Victoria/SA Border Challenge Dimboola (VIC) | 11 | 289 | 404 |
| 08.12.2007 Halls Gap Border Challenge SA:Vic (VIC) | 2 | 297 | 497 |
| Head-to-head after 10 games | 3 | 7 | |
| Average score | 363 | 406.4 | |
| Spread: | -434 | 434 | |