| Tournament | 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 | 386.78 | |
| Spread: | -91 | 91 | |