| Date | Tournament | State | Round | Judy Hay | Sal Costanzo |
|---|---|---|---|---|---|
| 25/01/1998 | City of Sydney International Masters | NSW | 14 | 304 | 443 |
| 14/06/1999 | Victorian Championships | VIC | 20 | 413 | 431 |
| 27/01/2003 | City of Sydney International Masters | NSW | 8 | 315 | 459 |
| 21/04/2003 | Australian Championships | SA | 14 | 434 | 385 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 366.50 | 429.50 | |||
| Spread | -252 | 252 | |||