| Date | Tournament | State | Round | Karen Richards | Colleen McCormick |
|---|---|---|---|---|---|
| 31/05/1998 | Melville | WA | 2 | 307 | 346 |
| 02/08/1998 | Bassendean | WA | 2 | 366 | 320 |
| 30/08/1998 | Yokine | WA | 5 | 400 | 313 |
| 20/09/1998 | Advanced Intermediate Recreation | WA | 2 | 441 | 274 |
| 30/05/1999 | Melville | WA | 4 | 341 | 420 |
| 21/04/2002 | Nedlands | WA | 1 | 456 | 366 |
| 22/06/2003 | Manning | WA | 2 | 439 | 326 |
| 29/02/2004 | Kwinana | WA | 4 | 390 | 310 |
| 19/06/2004 | Western Australian Championships | WA | 18 | 525 | 346 |
| 11/04/2009 | AUST CHAMPIONSHIP | WA | 24 | 417 | 435 |
| 08/11/2015 | Open Sunday | WA | 1 | 504 | 299 |
| Head-to-head after 11 games | 8 | 3 | |||
| Average score | 416.91 | 341.36 | |||
| Spread | 831 | -831 | |||