| Date | Tournament | State | Round | Trevor Halsall | Daniel Piechnick |
|---|---|---|---|---|---|
| 17/04/1995 | Australian Open Double Dictionary Championship | QLD | 5 | 421 | 296 |
| 05/04/1998 | Victor Harbour | SA | 5 | 369 | 426 |
| 05/04/1999 | Australian Championships | NSW | 15 | 325 | 472 |
| 13/02/2000 | South Australian Championships | SA | 6 | 262 | 399 |
| 22/04/2000 | Australian Championships | QLD | 4 | 432 | 371 |
| 12/06/2000 | Victorian Championships | VIC | 14 | 460 | 452 |
| 18/11/2001 | SA/Victoria Border Challenge | VIC | 1 | 514 | 381 |
| 18/11/2001 | SA/Victoria Border Challenge | VIC | 10 | 330 | 408 |
| 18/11/2001 | SA/Victoria Border Challenge | VIC | 12 | 352 | 368 |
| 08/03/2003 | South Australian Championships | SA | 7 | 255 | 511 |
| 21/04/2003 | Australian Championships | SA | 6 | 330 | 419 |
| 02/11/2003 | SA/Victoria Border Challenge Dimboola | VIC | 1 | 431 | 330 |
| 12/04/2004 | Australian Championships | ACT | 11 | 404 | 307 |
| 28/03/2005 | Australian Championships | TAS | 18 | 379 | 393 |
| 28/03/2005 | Australian Championships | TAS | 21 | 369 | 399 |
| 07/03/2010 | SA Championship | SA | 5 | 301 | 486 |
| 07/03/2010 | SA Championship | SA | 9 | 379 | 407 |
| 25/04/2011 | Aus Championship | ACT | 19 | 463 | 359 |
| 11/09/2011 | AUSTRALIAN MASTERS & STC | SA | 15 | 428 | 346 |
| 21/04/2014 | Australian Championship | NSW | 20 | 350 | 451 |
| 14/09/2014 | MASTERS AND STATE CHALLENGE | SA | 15 | 366 | 402 |
| 28/03/2016 | Australian Championship | SA | 13 | 430 | 415 |
| 17/04/2017 | National Championship | WA | 10 | 390 | 395 |
| 17/04/2017 | National Championship | WA | 16 | 443 | 426 |
| 08/03/2020 | SA Championship | SA | 7 | 510 | 465 |
| 08/03/2020 | SA Championship | SA | 13 | 515 | 332 |
| 06/03/2021 | SA Champs | SA | 5 | 339 | 397 |
| 06/03/2021 | SA Champs | SA | 14 | 389 | 438 |
| 07/09/2024 | AUSTRALIAN MASTERS | SA | 5 | 409 | 424 |
| 08/03/2025 | SA Champs | SA | 15 | 433 | 396 |
| 19/04/2025 | National Championship and Plate | SA | 11 | 455 | 325 |
| Head-to-head after 31 games | 14 | 17 | |||
| Average score | 394.61 | 399.87 | |||
| Spread | -163 | 163 | |||