| Tournament | Round | Derek McKenzie | Karen Richards |
| 23.08.1998 Queensland Championships (QLD) | 4 | 428 | 313 |
| 04.10.1999 New South Wales Championships (NSW) | 1 | 340 | 379 |
| 30.04.2000 Auran Round Robin (QLD) | 5 | 403 | 322 |
| 26.08.2001 Queensland Championships (QLD) | 3 | 410 | 405 |
| 26.08.2001 Queensland Championships (QLD) | 17 | 396 | 333 |
| 21.07.2002 Winter Masters (NSW) | 2 | 411 | 292 |
| 23.02.2008 Early Warm-Up (QLD) | 7 | 411 | 426 |
| 24.03.2008 Australian Championship (VIC) | 11 | 425 | 408 |
| 29.08.2010 Qld Championships (QLD) | 12 | 381 | 362 |
| 11.08.2019 Qld Championships (QLD) | 7 | 505 | 380 |
| Head-to-head after 10 games | 8 | 2 | |
| Average score | 411 | 362 | |
| Spread: | 490 | -490 | |