| Tournament | Round | John Barker | Derek McKenzie |
| 25.01.1998 City of Sydney International Masters (NSW) | 16 | 414 | 375 |
| 01.03.1998 Balmain (NSW) | 1 | 395 | 383 |
| 04.04.1998 Hassall Grove (NSW) | 7 | 365 | 303 |
| 15.04.1998 Australian Championships (TAS) | 16 | 408 | 331 |
| 17.05.1998 Ulladulla (NSW) | 1 | 381 | 403 |
| 12.07.1998 Chatswood (NSW) | 4 | 360 | 412 |
| 26.07.1998 Winter Masters (NSW) | 15 | 387 | 355 |
| 23.08.1998 Queensland Championships (QLD) | 6 | 325 | 506 |
| 23.08.1998 Queensland Championships (QLD) | 17 | 358 | 486 |
| 01.08.1999 Winter Masters (NSW) | 17 | 414 | 316 |
| 21.08.1999 Queensland Championships (QLD) | 10 | 417 | 334 |
| 21.08.1999 Queensland Championships (QLD) | 17 | 457 | 356 |
| 20.08.2000 Queensland Championships (QLD) | 7 | 412 | 355 |
| 16.04.2001 Australian Championships (VIC) | 17 | 331 | 433 |
| 14.07.2001 Chatswood (NSW) | 2 | 516 | 308 |
| 26.08.2001 Queensland Championships (QLD) | 10 | 422 | 310 |
| 04.05.2008 Queensland Championships (QLD) | 12 | 335 | 432 |
| 29.08.2010 Qld Championships (QLD) | 2 | 260 | 471 |
| 11.08.2019 Qld Championships (QLD) | 16 | 392 | 389 |
| Head-to-head after 19 games | 12 | 7 | |
| Average score | 386.78 | 382 | |