| Tournament | Round | Sal Costanzo | Joan Rosenthal |
| 21.01.1999 City of Sydney Masters (NSW) | 8 | 289 | 607 |
| 30.01.2000 City of Sydney International Masters (NSW) | 9 | 321 | 394 |
| 16.04.2001 Australian Championships (VIC) | 11 | 426 | 324 |
| 08.09.2002 Beecroft Marathon (NSW) | 14 | 344 | 437 |
| 07.10.2002 New South Wales Championships (NSW) | 19 | 384 | 426 |
| 27.01.2003 City of Sydney International Masters (NSW) | 2 | 314 | 437 |
| 18.09.2005 Australian Masters & State Challenge Trophy (VIC) | 11 | 372 | 392 |
| Head-to-head after 7 games | 1 | 6 | |
| Average score | 350 | 431 | |
| Spread: | -567 | 567 | |