| Tournament | Round | Sal Costanzo | Anne Drew |
| 25.01.1998 City of Sydney International Masters (NSW) | 2 | 331 | 367 |
| 05.10.1998 New South Wales Championships (NSW) | 14 | 468 | 355 |
| 21.01.1999 City of Sydney Masters (NSW) | 14 | 246 | 492 |
| 05.04.1999 Australian Championships (NSW) | 6 | 361 | 426 |
| 27.01.2002 City of Sydney International Masters (NSW) | 12 | 343 | 473 |
| 07.10.2002 New South Wales Championships (NSW) | 17 | 269 | 559 |
| 21.04.2003 Australian Championships (SA) | 20 | 315 | 414 |
| 12.04.2004 Australian Championships (ACT) | 15 | 367 | 439 |
| 18.09.2005 Australian Masters & State Challenge Trophy (VIC) | 15 | 414 | 388 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 2 | 289 | 484 |
| Head-to-head after 10 games | 2 | 8 | |
| Average score | 340.3 | 439.7 | |
| Spread: | -994 | 994 | |