| Tournament | Round | Sal Costanzo | Karen Richards |
| 08.06.1998 Victorian Championships (VIC) | 15 | 360 | 319 |
| 05.04.1999 Australian Championships (NSW) | 1 | 368 | 382 |
| 28.12.1999 Decathon (VIC) | 13 | 406 | 361 |
| 29.06.2000 Bordertown (SA) | 8 | 371 | 425 |
| 16.04.2001 Australian Championships (VIC) | 12 | 439 | 305 |
| 09.06.2001 Victorian Championships (VIC) | 4 | 402 | 420 |
| 27.01.2003 City of Sydney International Masters (NSW) | 12 | 281 | 473 |
| 27.01.2003 City of Sydney International Masters (NSW) | 16 | 429 | 379 |
| 12.04.2004 Australian Championships (ACT) | 4 | 341 | 461 |
| 14.06.2004 Victorian Championships (VIC) | 7 | 393 | 429 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 19 | 433 | 377 |
| 28.12.2006 Decathon (VIC) | 1 | 334 | 453 |
| 11.06.2007 Victorian Championships (VIC) | 13 | 323 | 481 |
| 30.12.2007 DECATHON (VIC) | 6 | 372 | 484 |
| 24.03.2008 Australian Championship (VIC) | 7 | 492 | 381 |
| 07.06.2008 VIC CHAMPS (VIC) | 13 | 398 | 560 |
| 08.06.2009 Vic Championship (VIC) | 15 | 321 | 421 |
| 06.04.2015 Australian Championship (VIC) | 5 | 495 | 413 |
| Head-to-head after 18 games | 7 | 11 | |
| Average score | 386.55 | 418 | |
| Spread: | -566 | 566 | |