| Date | Tournament | State | Round | Zina Costanzo | Liz Marx |
|---|---|---|---|---|---|
| 28/12/1999 | Decathon | VIC | 15 | 340 | 316 |
| 12/06/2000 | Victorian Championships | VIC | 14 | 304 | 373 |
| 29/06/2000 | Bordertown | SA | 6 | 353 | 352 |
| 06/08/2000 | Knox | VIC | 5 | 469 | 258 |
| 27/08/2000 | Bentleigh | VIC | 1 | 303 | 408 |
| 03/11/2002 | SA/Victoria Border Challenge Dimboola | VIC | 11 | 419 | 367 |
| 14/09/2003 | Melbourne Masters | VIC | 2 | 399 | 365 |
| 02/11/2003 | SA/Victoria Border Challenge Dimboola | VIC | 3 | 419 | 317 |
| Head-to-head after 8 games | 6 | 2 | |||
| Average score | 375.75 | 344.50 | |||
| Spread | 250 | -250 | |||