| Tournament | Round | Joy McGowan | Derek McKenzie |
| 23.08.1998 Queensland Championships (QLD) | 14 | 360 | 396 |
| 02.05.1999 Maelstrom (QLD) | 5 | 347 | 405 |
| 11.07.1999 Coominya Winter (QLD) | 6 | 331 | 477 |
| 22.04.2000 Australian Championships (QLD) | 1 | 333 | 383 |
| 20.08.2000 Queensland Championships (QLD) | 15 | 334 | 439 |
| 25.08.2002 Queensland Championships (QLD) | 9 | 397 | 324 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 350.33 | 404 | |
| Spread: | -322 | 322 | |