| Date | Tournament | State | Round | Trevor Halsall | Harry Malcolm |
|---|---|---|---|---|---|
| 15/04/1998 | Australian Championships | TAS | 16 | 359 | 424 |
| 05/04/1999 | Australian Championships | NSW | 20 | 412 | 358 |
| 14/06/1999 | Victorian Championships | VIC | 9 | 430 | 329 |
| 04/10/1999 | New South Wales Championships | NSW | 15 | 486 | 302 |
| 22/04/2000 | Australian Championships | QLD | 21 | 413 | 401 |
| 12/06/2000 | Victorian Championships | VIC | 4 | 492 | 323 |
| 27/08/2000 | Bentleigh | VIC | 4 | 458 | 499 |
| 23/09/2000 | Essendon | VIC | 3 | 369 | 373 |
| 30/12/2000 | Decathon | VIC | 7 | 568 | 432 |
| 21/01/2001 | Aestival | VIC | 3 | 457 | 282 |
| 27/01/2001 | City of Sydney International Masters | NSW | 13 | 532 | 386 |
| 25/02/2001 | Camberwell | VIC | 5 | 469 | 286 |
| 16/04/2001 | Australian Championships | VIC | 4 | 549 | 279 |
| 09/06/2001 | Victorian Championships | VIC | 19 | 469 | 453 |
| 04/11/2001 | Geelong | VIC | 4 | 402 | 292 |
| 03/03/2002 | Bendigo | VIC | 4 | 334 | 431 |
| 10/11/2002 | Geelong | VIC | 4 | 351 | 291 |
| 01/12/2002 | McKinnon | VIC | 5 | 451 | 316 |
| 09/02/2003 | Camberwell | VIC | 6 | 418 | 435 |
| 13/04/2003 | Western Suburbs | VIC | 4 | 284 | 478 |
| 18/05/2003 | Dandenong | VIC | 2 | 410 | 373 |
| 08/06/2003 | Victorian Championships | VIC | 15 | 501 | 293 |
| 27/07/2003 | Bentleigh | VIC | 5 | 425 | 325 |
| 31/08/2003 | WSC Fundraiser | VIC | 1 | 351 | 352 |
| 18/01/2004 | Aestival | VIC | 4 | 478 | 355 |
| 14/06/2004 | Victorian Championships | VIC | 6 | 398 | 455 |
| 20/02/2005 | Nunawading Matchplay Qualifier | VIC | 9 | 387 | 408 |
| 07/04/2005 | Notturno | VIC | 2 | 277 | 532 |
| 10/05/2005 | Notturno | VIC | 4 | 427 | 326 |
| 17/04/2006 | Australian Championships | QLD | 5 | 426 | 334 |
| 10/06/2006 | vic06 3 DAY | VIC | 18 | 374 | 525 |
| 18/03/2007 | Langwarrin | VIC | 2 | 333 | 397 |
| 11/06/2007 | Victorian Championships | VIC | 13 | 380 | 447 |
| 22/07/2007 | Nunawading | VIC | 6 | 554 | 388 |
| 26/08/2007 | Youth Fundraiser | VIC | 7 | 424 | 308 |
| 08/09/2007 | AUST MASTERS & STATE CHALLENGE | VIC | 12 | 394 | 484 |
| 29/06/2008 | WYSC FUndraiser | VIC | 3 | 446 | 420 |
| 14/06/2010 | Victorian Championship | VIC | 22 | 351 | 505 |
| 11/07/2010 | Youth Fundraiser 2 | VIC | 3 | 414 | 449 |
| 22/07/2012 | Nunawading | VIC | 6 | 392 | 427 |
| 26/05/2013 | Cranbourne | VIC | 5 | 331 | 345 |
| 23/02/2014 | TEAM CHALLENGE | VIC | 6 | 302 | 463 |
| 22/06/2014 | Matchplay Vic | VIC | 2 | 501 | 347 |
| 01/02/2015 | CAMBERWELL | VIC | 1 | 558 | 304 |
| 02/03/2019 | SATURDAY SESSIONS 3B | VIC | 4 | 365 | 362 |
| Head-to-head after 45 games | 26 | 19 | |||
| Average score | 420.04 | 384.31 | |||
| Spread | 1608 | -1608 | |||