| Tournament | Round | Sal Costanzo | Jan Serisier |
| 25.01.1998 City of Sydney International Masters (NSW) | 3 | 324 | 459 |
| 01.08.1999 Winter Masters (NSW) | 20 | 306 | 398 |
| 30.01.2000 City of Sydney International Masters (NSW) | 14 | 383 | 379 |
| 22.04.2000 Australian Championships (QLD) | 20 | 381 | 346 |
| 27.01.2001 City of Sydney International Masters (NSW) | 2 | 409 | 374 |
| 08.09.2002 Beecroft Marathon (NSW) | 3 | 344 | 397 |
| 07.10.2002 New South Wales Championships (NSW) | 18 | 260 | 518 |
| 27.01.2003 City of Sydney International Masters (NSW) | 5 | 357 | 328 |
| 04.05.2003 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 3 | 383 | 403 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 4 | 438 | 346 |
| Head-to-head after 10 games | 5 | 5 | |
| Average score | 358.5 | 394.8 | |
| Spread: | -363 | 363 | |