| Date | Tournament | State | Round | Zina Costanzo | Judy Hay |
|---|---|---|---|---|---|
| 09/08/1998 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 1 | 400 | 351 |
| 09/08/1998 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 12 | 391 | 353 |
| 05/10/1998 | New South Wales Championships | NSW | 8 | 293 | 368 |
| 22/04/2000 | Australian Championships | QLD | 16 | 362 | 336 |
| 27/01/2001 | City of Sydney International Masters | NSW | 13 | 303 | 326 |
| Head-to-head after 5 games | 3 | 2 | |||
| Average score | 349.80 | 346.80 | |||
| Spread | 15 | -15 | |||