| Tournament | Round | Karen Richards | Kate Horan |
| 31.05.1998 Melville (WA) | 4 | 296 | 340 |
| 12.07.1998 WA Masters (WA) | 8 | 463 | 409 |
| 17.01.1999 WA Open (WA) | 2 | 403 | 335 |
| 26.05.2002 Melville (WA) | 5 | 423 | 411 |
| 10.02.2002 Fremantle (WA) | 6 | 429 | 381 |
| 23.02.2003 Kwinana (WA) | 3 | 365 | 341 |
| 30.03.2003 Praxis (WA) | 4 | 379 | 328 |
| 31.05.2003 Western Australian Championships (WA) | 1 | 372 | 343 |
| 19.06.2004 Western Australian Championships (WA) | 13 | 493 | 343 |
| 29.08.2004 Yokine (WA) | 5 | 510 | 317 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 1 | 406 | 300 |
| Head-to-head after 11 games | 10 | 1 | |
| Average score | 412.63 | 349.81 | |
| Spread: | 691 | -691 | |