| Tournament | Round | Colleen McCormick | Karen Richards |
| 31.05.1998 Melville (WA) | 2 | 346 | 307 |
| 02.08.1998 Bassendean (WA) | 2 | 320 | 366 |
| 30.08.1998 Yokine (WA) | 5 | 313 | 400 |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 2 | 274 | 441 |
| 30.05.1999 Melville (WA) | 4 | 420 | 341 |
| 21.04.2002 Nedlands (WA) | 1 | 366 | 456 |
| 22.06.2003 Manning (WA) | 2 | 326 | 439 |
| 29.02.2004 Kwinana (WA) | 4 | 310 | 390 |
| 19.06.2004 Western Australian Championships (WA) | 18 | 346 | 525 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 24 | 435 | 417 |
| 08.11.2015 Open Sunday (WA) | 1 | 299 | 504 |
| Head-to-head after 11 games | 3 | 8 | |
| Average score | 341.36 | 416.9 | |
| Spread: | -831 | 831 | |