| Date | Tournament | State | Round | Marilyn Mackie | Colleen McCormick |
|---|---|---|---|---|---|
| 12/07/1998 | WA Masters | WA | 14 | 296 | 439 |
| 18/10/1998 | Rockingham | WA | 2 | 349 | 328 |
| 11/07/1999 | Western Australian Masters | WA | 17 | 386 | 461 |
| 19/09/1999 | Spring Subiaco | WA | 5 | 285 | 378 |
| 03/10/1999 | Yokine | WA | 3 | 257 | 434 |
| 27/05/2001 | Melville | WA | 2 | 328 | 343 |
| 24/03/2002 | WA Marathon | WA | 5 | 350 | 376 |
| 24/03/2002 | WA Marathon | WA | 6 | 309 | 378 |
| 26/05/2002 | Melville | WA | 2 | 321 | 397 |
| 10/02/2002 | Fremantle | WA | 5 | 371 | 388 |
| 12/01/2003 | Open | WA | 6 | 481 | 394 |
| 02/02/2003 | Fremantle | WA | 6 | 294 | 418 |
| 23/02/2003 | Kwinana | WA | 4 | 431 | 243 |
| 30/11/2003 | Hamersley | WA | 1 | 423 | 376 |
| 17/10/2004 | Rockingham | WA | 1 | 268 | 270 |
| Head-to-head after 15 games | 4 | 11 | |||
| Average score | 343.27 | 374.87 | |||
| Spread | -474 | 474 | |||