| Date | Tournament | State | Round | Bettina Tonkin | Sandra Morgan |
|---|---|---|---|---|---|
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 17 | 393 | 404 |
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 23 | 375 | 317 |
| 12/07/1998 | WA Masters | WA | 17 | 279 | 314 |
| 13/08/2000 | Western Australian Masters | WA | 4 | 325 | 391 |
| 04/02/2001 | Fremantle | WA | 1 | 370 | 524 |
| 08/04/2001 | Nedlands | WA | 1 | 283 | 516 |
| Head-to-head after 6 games | 1 | 5 | |||
| Average score | 337.50 | 411.00 | |||
| Spread | -441 | 441 | |||