| Date | Tournament | State | Round | Zina Costanzo | Peter Shaw |
|---|---|---|---|---|---|
| 05/07/1998 | High Country | VIC | 6 | 306 | 440 |
| 30/01/2000 | City of Sydney International Masters | NSW | 13 | 301 | 493 |
| 27/01/2001 | City of Sydney International Masters | NSW | 11 | 387 | 394 |
| 07/09/2002 | St George | NSW | 3 | 375 | 338 |
| 08/09/2002 | Beecroft Marathon | NSW | 3 | 330 | 390 |
| 07/10/2002 | New South Wales Championships | NSW | 9 | 352 | 512 |
| Head-to-head after 6 games | 1 | 5 | |||
| Average score | 341.83 | 427.83 | |||
| Spread | -516 | 516 | |||