| Date | Tournament | State | Round | Janet Cotter | Colleen McCormick |
|---|---|---|---|---|---|
| 15/02/1998 | Fremantle | WA | 1 | 389 | 348 |
| 26/04/1998 | Nedlands | WA | 1 | 363 | 373 |
| 19/09/1999 | Spring Subiaco | WA | 3 | 334 | 392 |
| 27/03/2000 | Nedlands | WA | 5 | 401 | 336 |
| 25/06/2000 | Advanced Intermediate Recreation | WA | 3 | 347 | 351 |
| 12/08/2001 | Yokine | WA | 1 | 379 | 302 |
| 06/02/2005 | Fremantle | WA | 1 | 354 | 342 |
| 27/02/2005 | Kwinana | WA | 4 | 265 | 430 |
| 09/04/2006 | Nedlands | WA | 1 | 277 | 379 |
| Head-to-head after 9 games | 4 | 5 | |||
| Average score | 345.44 | 361.44 | |||
| Spread | -144 | 144 | |||