| Date | Tournament | State | Round | Zina Costanzo | Ann Radan |
|---|---|---|---|---|---|
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 7 | 438 | 326 |
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 22 | 343 | 448 |
| 15/04/1998 | Australian Championships | TAS | 19 | 384 | 337 |
| 08/06/1998 | Victorian Championships | VIC | 2 | 422 | 279 |
| 09/08/1998 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 11 | 375 | 314 |
| 11/10/1998 | Bendigo | VIC | 2 | 358 | 414 |
| Head-to-head after 6 games | 4 | 2 | |||
| Average score | 386.67 | 353.00 | |||
| Spread | 202 | -202 | |||