| Date | Tournament | State | Round | Colleen McCormick | Sandra Morgan |
|---|---|---|---|---|---|
| 12/07/1998 | WA Masters | WA | 1 | 351 | 414 |
| 11/07/1999 | Western Australian Masters | WA | 4 | 361 | 322 |
| 19/03/2000 | Bunbury | WA | 3 | 225 | 610 |
| 13/08/2000 | Western Australian Masters | WA | 7 | 269 | 443 |
| 02/09/2001 | Western Australian Masters | WA | 16 | 374 | 375 |
| 22/06/2003 | Manning | WA | 5 | 321 | 459 |
| 30/05/2004 | Melville | WA | 6 | 388 | 370 |
| 11/07/2004 | Bassendean | WA | 6 | 369 | 487 |
| 29/08/2004 | Yokine | WA | 2 | 316 | 349 |
| 15/05/2005 | Melville | WA | 4 | 368 | 470 |
| 20/08/2006 | Yokine | WA | 4 | 349 | 355 |
| 01/04/2007 | Nedlands | WA | 5 | 552 | 474 |
| 04/06/2007 | Western Australian Championships A & B | WA | 18 | 493 | 349 |
| 21/10/2007 | Rockingham | WA | 1 | 336 | 376 |
| Head-to-head after 14 games | 4 | 10 | |||
| Average score | 362.29 | 418.07 | |||
| Spread | -781 | 781 | |||