| Tournament | Round | Sal Costanzo | Liz Jackman |
| 15.04.1998 Australian Championships (TAS) | 17 | 380 | 333 |
| 08.06.1998 Victorian Championships (VIC) | 16 | 425 | 324 |
| 05.04.1999 Australian Championships (NSW) | 10 | 403 | 311 |
| 30.01.2000 City of Sydney International Masters (NSW) | 1 | 421 | 307 |
| 27.01.2001 City of Sydney International Masters (NSW) | 9 | 393 | 353 |
| 16.04.2001 Australian Championships (VIC) | 1 | 443 | 310 |
| 05.05.2002 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 375 | 386 |
| 14.06.2004 Victorian Championships (VIC) | 5 | 480 | 345 |
| Head-to-head after 8 games | 7 | 1 | |
| Average score | 415 | 333.62 | |
| Spread: | 651 | -651 | |