| Date | Tournament | State | Round | Ray Alford | Zina Costanzo |
|---|---|---|---|---|---|
| 28/12/1999 | Decathon | VIC | 8 | 476 | 331 |
| 09/06/2001 | Victorian Championships | VIC | 4 | 387 | 351 |
| 29/12/2001 | Decathon | VIC | 7 | 323 | 368 |
| 10/06/2002 | Victorian Championships | VIC | 17 | 392 | 286 |
| 10/10/2004 | Frankston | VIC | 5 | 363 | 445 |
| 22/10/2006 | Frankston | VIC | 4 | 499 | 316 |
| Head-to-head after 6 games | 4 | 2 | |||
| Average score | 406.67 | 349.50 | |||
| Spread | 343 | -343 | |||