| Date | Tournament | State | Round | Zina Costanzo | Paul Richards |
|---|---|---|---|---|---|
| 22/04/2000 | Australian Championships | QLD | 3 | 363 | 289 |
| 29/06/2000 | Bordertown | SA | 1 | 444 | 279 |
| 29/06/2000 | Bordertown | SA | 12 | 395 | 373 |
| 27/01/2002 | City of Sydney International Masters | NSW | 13 | 309 | 366 |
| 21/04/2003 | Australian Championships | SA | 3 | 351 | 324 |
| 14/06/2004 | Victorian Championships | VIC | 15 | 267 | 557 |
| 28/12/2006 | Decathon | VIC | 3 | 381 | 441 |
| 11/06/2007 | Victorian Championships | VIC | 17 | 421 | 357 |
| Head-to-head after 8 games | 5 | 3 | |||
| Average score | 366.38 | 373.25 | |||
| Spread | -55 | 55 | |||