| Tournament | Round | Peter Shaw | Sal Costanzo |
| 15.04.1998 Australian Championships (TAS) | 15 | 399 | 411 |
| 22.04.2000 Australian Championships (QLD) | 2 | 450 | 443 |
| 27.01.2001 City of Sydney International Masters (NSW) | 3 | 468 | 344 |
| 08.09.2002 Beecroft Marathon (NSW) | 4 | 427 | 409 |
| 07.10.2002 New South Wales Championships (NSW) | 7 | 467 | 333 |
| 24.09.2006 Australian Masters and State Challenge Trophy (NSW) | 18 | 400 | 420 |
| 24.03.2008 Australian Championship (VIC) | 23 | 324 | 392 |
| Head-to-head after 7 games | 4 | 3 | |
| Average score | 419.28 | 393.14 | |
| Spread: | 183 | -183 | |