| Date | Tournament | State | Round | John Barker | Harry Malcolm |
|---|---|---|---|---|---|
| 21/01/1999 | City of Sydney Masters | NSW | 2 | 401 | 284 |
| 01/08/1999 | Winter Masters | NSW | 4 | 391 | 406 |
| 28/12/1999 | Decathon | VIC | 4 | 382 | 372 |
| 12/06/2000 | Victorian Championships | VIC | 15 | 315 | 487 |
| 27/01/2001 | City of Sydney International Masters | NSW | 2 | 391 | 281 |
| 06/05/2001 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 2 | 350 | 300 |
| 09/06/2001 | Victorian Championships | VIC | 7 | 383 | 355 |
| 01/04/2002 | Australian Championships | WA | 4 | 393 | 274 |
| 05/05/2002 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 10 | 473 | 346 |
| 10/06/2002 | Victorian Championships | VIC | 10 | 386 | 387 |
| 04/05/2003 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 1 | 338 | 483 |
| 25/01/2004 | City of Sydney International Masters | NSW | 15 | 394 | 396 |
| 25/01/2004 | City of Sydney International Masters | NSW | 19 | 377 | 406 |
| 02/05/2004 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 6 | 353 | 350 |
| 17/04/2005 | NSW/Victoria Border Challenge, Wagga Wagga | NSW | 2 | 376 | 490 |
| 18/09/2005 | Australian Masters & State Challenge Trophy | VIC | 12 | 484 | 327 |
| 30/04/2006 | NSW vs Victoria Border Challenge Wagga Wagga | NSW | 9 | 411 | 456 |
| 24/03/2008 | Australian Championship | VIC | 4 | 415 | 391 |
| 13/09/2008 | MASTERS AND STATE CHALLENGE TROPHY | VIC | 7 | 354 | 402 |
| 10/06/2013 | VIC CHAMPIONSHIP | VIC | 10 | 400 | 380 |
| Head-to-head after 20 games | 11 | 9 | |||
| Average score | 388.35 | 378.65 | |||
| Spread | 194 | -194 | |||