| Tournament | Round | Sal Costanzo | Alan Stewart |
| 28.12.1998 Decathon (VIC) | 7 | 420 | 436 |
| 28.12.1999 Decathon (VIC) | 9 | 294 | 390 |
| 12.06.2000 Victorian Championships (VIC) | 10 | 405 | 352 |
| 27.08.2000 Bentleigh (VIC) | 5 | 357 | 322 |
| 27.04.2002 Western Suburbs (VIC) | 1 | 360 | 303 |
| 14.09.2002 Melbourne 15 Minutes (VIC) | 5 | 314 | 367 |
| 09.06.2003 Quen Elizabeth Derby (VIC) | 3 | 267 | 442 |
| 29.12.2004 Decathon (VIC) | 2 | 183 | 487 |
| 28.12.2005 Decathon (VIC) | 3 | 349 | 384 |
| Head-to-head after 9 games | 3 | 6 | |
| Average score | 327.66 | 387 | |
| Spread: | -534 | 534 | |