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