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