| Date | Tournament | State | Round | Zina Costanzo | Doug Ristic |
|---|---|---|---|---|---|
| 15/09/2001 | Bunny | VIC | 2 | 353 | 285 |
| 14/09/2002 | Melbourne 15 Minutes | VIC | 4 | 328 | 333 |
| 16/11/2002 | Melbourne November | VIC | 2 | 300 | 100 |
| 04/04/2004 | Langwarrin | VIC | 5 | 296 | 396 |
| 24/03/2006 | March Notturno | VIC | 3 | 430 | 459 |
| 11/06/2007 | Victorian Championships | VIC | 10 | 415 | 393 |
| Head-to-head after 6 games | 3 | 3 | |||
| Average score | 353.67 | 327.67 | |||
| Spread | 156 | -156 | |||