| Tournament | Round | Sal Costanzo | Steve Sunter |
| 16.05.1998 Dandenong (VIC) | 1 | 382 | 285 |
| 28.12.1998 Decathon (VIC) | 13 | 252 | 378 |
| 21.01.1999 City of Sydney Masters (NSW) | 16 | 403 | 381 |
| 21.01.1999 City of Sydney Masters (NSW) | 18 | 317 | 590 |
| 27.01.2001 City of Sydney International Masters (NSW) | 13 | 422 | 445 |
| 16.04.2001 Australian Championships (VIC) | 19 | 288 | 312 |
| 24.03.2002 Langwarrin (VIC) | 2 | 407 | 336 |
| 25.05.2002 Bunny (VIC) | 4 | 460 | 339 |
| 29.09.2002 Essendon (VIC) | 5 | 420 | 388 |
| 27.10.2002 Mooroolbark (VIC) | 2 | 258 | 524 |
| 16.11.2002 Melbourne November (VIC) | 10 | 100 | 300 |
| 29.12.2002 Decathon (VIC) | 1 | 474 | 319 |
| 09.02.2003 Camberwell (VIC) | 6 | 393 | 274 |
| 27.07.2003 Bentleigh (VIC) | 6 | 248 | 644 |
| 16.01.2005 Aestival (VIC) | 5 | 405 | 451 |
| Head-to-head after 15 games | 7 | 8 | |
| Average score | 348.6 | 397.73 | |
| Spread: | -737 | 737 | |