| Date | Tournament | State | Round | Sandra Morgan | Zina Costanzo |
|---|---|---|---|---|---|
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 1 | 343 | 422 |
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 21 | 337 | 407 |
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 24 | 445 | 303 |
| 12/04/2004 | Australian Championships | ACT | 17 | 532 | 311 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 414.25 | 360.75 | |||
| Spread | 214 | -214 | |||