| Date | Tournament | State | Round | Zina Costanzo | Steve Sunter |
|---|---|---|---|---|---|
| 30/12/1996 | Summer Sgramble | VIC | 17 | 290 | 400 |
| 21/01/1999 | City of Sydney Masters | NSW | 2 | 296 | 439 |
| 12/06/2000 | Victorian Championships | VIC | 9 | 362 | 395 |
| 29/12/2001 | Decathon | VIC | 9 | 372 | 286 |
| 16/11/2002 | Melbourne November | VIC | 8 | 300 | 100 |
| 29/12/2002 | Decathon | VIC | 7 | 379 | 365 |
| Head-to-head after 6 games | 3 | 3 | |||
| Average score | 333.17 | 330.83 | |||
| Spread | 14 | -14 | |||