| Date | Tournament | State | Round | Derek McKenzie | John Barker |
|---|---|---|---|---|---|
| 25/01/1998 | City of Sydney International Masters | NSW | 16 | 375 | 414 |
| 01/03/1998 | Balmain | NSW | 1 | 383 | 395 |
| 04/04/1998 | Hassall Grove | NSW | 7 | 303 | 365 |
| 15/04/1998 | Australian Championships | TAS | 16 | 331 | 408 |
| 17/05/1998 | Ulladulla | NSW | 1 | 403 | 381 |
| 12/07/1998 | Chatswood | NSW | 4 | 412 | 360 |
| 26/07/1998 | Winter Masters | NSW | 15 | 355 | 387 |
| 23/08/1998 | Queensland Championships | QLD | 6 | 506 | 325 |
| 23/08/1998 | Queensland Championships | QLD | 17 | 486 | 358 |
| 01/08/1999 | Winter Masters | NSW | 17 | 316 | 414 |
| 21/08/1999 | Queensland Championships | QLD | 10 | 334 | 417 |
| 21/08/1999 | Queensland Championships | QLD | 17 | 356 | 457 |
| 20/08/2000 | Queensland Championships | QLD | 7 | 355 | 412 |
| 16/04/2001 | Australian Championships | VIC | 17 | 433 | 331 |
| 14/07/2001 | Chatswood | NSW | 2 | 308 | 516 |
| 26/08/2001 | Queensland Championships | QLD | 10 | 310 | 422 |
| 04/05/2008 | Queensland Championships | QLD | 12 | 432 | 335 |
| 29/08/2010 | Qld Championships | QLD | 2 | 471 | 260 |
| 11/08/2019 | Qld Championships | QLD | 16 | 389 | 392 |
| Head-to-head after 19 games | 7 | 12 | |||
| Average score | 382.00 | 386.79 | |||
| Spread | -91 | 91 | |||