| Date | Tournament | State | Round | Dorrie Balgera | Colleen McCormick |
|---|---|---|---|---|---|
| 30/05/1999 | Melville | WA | 5 | 345 | 395 |
| 27/03/2000 | Nedlands | WA | 4 | 380 | 334 |
| 13/08/2000 | Western Australian Masters | WA | 17 | 370 | 324 |
| 10/09/2000 | Yokine | WA | 2 | 402 | 285 |
| 02/05/2004 | Maximin | WA | 4 | 368 | 409 |
| 20/08/2006 | Yokine | WA | 2 | 332 | 297 |
| 21/01/2007 | January Maximin | WA | 6 | 375 | 413 |
| 20/05/2007 | Melville | WA | 6 | 465 | 287 |
| 26/04/2009 | Anzac Maximin | WA | 5 | 352 | 372 |
| 17/05/2009 | Melville | WA | 6 | 373 | 363 |
| 30/08/2009 | Winter Open | WA | 2 | 417 | 332 |
| Head-to-head after 11 games | 7 | 4 | |||
| Average score | 379.91 | 346.45 | |||
| Spread | 368 | -368 | |||