| Date | Tournament | State | Round | Peter Shaw | Sal Costanzo |
|---|---|---|---|---|---|
| 31/03/1997 | Australian Scrabble Championship | SA | 6 | 395 | 370 |
| 06/10/1997 | New South Wales Championships | NSW | 8 | 422 | 267 |
| 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 9 games | 6 | 3 | |||
| Average score | 416.89 | 376.56 | |||
| Spread | 363 | -363 | |||