| Date | Tournament | State | Round | Sandra Morgan | Dorrie Balgera |
|---|---|---|---|---|---|
| 30/08/1998 | Yokine | WA | 3 | 399 | 388 |
| 30/05/1999 | Melville | WA | 1 | 305 | 375 |
| 13/08/2000 | Western Australian Masters | WA | 13 | 442 | 382 |
| 10/09/2000 | Yokine | WA | 1 | 513 | 359 |
| 27/05/2001 | Melville | WA | 1 | 440 | 330 |
| 09/12/2001 | Praxis | WA | 1 | 462 | 242 |
| 13/01/2002 | WA Open | WA | 5 | 336 | 327 |
| 10/08/2002 | Western Australian Masters | WA | 16 | 416 | 318 |
| 08/09/2002 | Yokine | WA | 1 | 349 | 389 |
| 10/02/2002 | Fremantle | WA | 4 | 350 | 384 |
| 02/02/2003 | Fremantle | WA | 3 | 341 | 334 |
| 05/02/2006 | Fremantle | WA | 7 | 455 | 283 |
| 26/02/2006 | Mandurah | WA | 4 | 364 | 352 |
| Head-to-head after 13 games | 10 | 3 | |||
| Average score | 397.85 | 343.31 | |||
| Spread | 709 | -709 | |||