| Tournament | 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 | 344.5 | |
| Spread: | 250 | -250 | |