| Date | Tournament | State | Round | Zina Costanzo | Rene Chelton |
|---|---|---|---|---|---|
| 01/08/1999 | Winter Masters | NSW | 13 | 324 | 334 |
| 22/04/2000 | Australian Championships | QLD | 13 | 318 | 405 |
| 12/06/2000 | Victorian Championships | VIC | 15 | 368 | 349 |
| 09/06/2001 | Victorian Championships | VIC | 20 | 347 | 389 |
| 10/06/2002 | Victorian Championships | VIC | 4 | 370 | 352 |
| 21/04/2003 | Australian Championships | SA | 9 | 349 | 441 |
| 14/06/2004 | Victorian Championships | VIC | 22 | 297 | 438 |
| 13/06/2005 | Victorian Championships | VIC | 24 | 408 | 387 |
| 11/06/2007 | Victorian Championships | VIC | 5 | 427 | 414 |
| 11/06/2007 | Victorian Championships | VIC | 13 | 463 | 407 |
| Head-to-head after 10 games | 5 | 5 | |||
| Average score | 367.10 | 391.60 | |||
| Spread | -245 | 245 | |||