| Date | Tournament | State | Round | Sal Costanzo | Gloria Gallagher |
|---|---|---|---|---|---|
| 29/01/1995 | Australian Masters | NSW | 7 | 390 | 389 |
| 25/01/1998 | City of Sydney International Masters | NSW | 11 | 295 | 394 |
| 08/06/1998 | Victorian Championships | VIC | 17 | 433 | 400 |
| 05/10/1998 | New South Wales Championships | NSW | 11 | 263 | 413 |
| 01/08/1999 | Winter Masters | NSW | 2 | 344 | 346 |
| 27/01/2001 | City of Sydney International Masters | NSW | 8 | 357 | 414 |
| 27/01/2002 | City of Sydney International Masters | NSW | 6 | 404 | 326 |
| 27/01/2002 | City of Sydney International Masters | NSW | 18 | 439 | 313 |
| Head-to-head after 8 games | 4 | 4 | |||
| Average score | 365.62 | 374.38 | |||
| Spread | -70 | 70 | |||