| Tournament | Round | Sue Armstrong | Karen Richards |
| 14.03.1999 Bunbury (WA) | 4 | 387 | 373 |
| 30.05.1999 Melville (WA) | 6 | 308 | 392 |
| 29.09.2002 Manjimup (WA) | 6 | 273 | 388 |
| 10.02.2002 Fremantle (WA) | 4 | 253 | 505 |
| 10.03.2002 Bunbury (WA) | 2 | 386 | 319 |
| 28.09.2003 Manjimup (WA) | 7 | 395 | 386 |
| 19.06.2004 Western Australian Championships (WA) | 14 | 324 | 495 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 332.28 | 408.28 | |
| Spread: | -532 | 532 | |