| Tournament | Round | Karen Richards | Anne Stewart |
| 02.08.1998 Bassendean (WA) | 3 | 413 | 264 |
| 30.08.1998 Yokine (WA) | 4 | 312 | 399 |
| 19.03.2000 Bunbury (WA) | 3 | 349 | 486 |
| 10.08.2002 Western Australian Masters (WA) | 5 | 398 | 304 |
| 12.01.2003 Open (WA) | 7 | 435 | 386 |
| 06.04.2003 Nedlands (WA) | 2 | 487 | 405 |
| 31.05.2003 Western Australian Championships (WA) | 15 | 369 | 438 |
| 13.07.2003 Bassendean (WA) | 1 | 449 | 273 |
| 28.09.2003 Manjimup (WA) | 4 | 368 | 424 |
| 29.08.2004 Yokine (WA) | 2 | 406 | 275 |
| 04.06.2012 WA CHAMPS (WA) | 17 | 509 | 333 |
| 04.06.2018 WA Championship (WA) | 15 | 425 | 370 |
| Head-to-head after 12 games | 8 | 4 | |
| Average score | 410 | 363.08 | |
| Spread: | 563 | -563 | |