| Tournament | Round | Karen Richards | Erica Williams |
| 23.08.1998 Queensland Championships (QLD) | 15 | 397 | 279 |
| 06.05.2001 Auran Open (QLD) | 7 | 490 | 266 |
| 06.10.2001 Mindbenders Open (QLD) | 4 | 433 | 410 |
| 27.08.2006 Queensland Championships (QLD) | 13 | 437 | 312 |
| 30.07.2011 Townsville Saturday (QLD) | 8 | 468 | 320 |
| 02.08.2011 Cairns (QLD) | 2 | 343 | 479 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 428 | 344.33 | |
| Spread: | 502 | -502 | |