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