| Tournament | Round | Zina Costanzo | June Valentine |
| 27.08.2000 Bentleigh (VIC) | 5 | 374 | 425 |
| 25.02.2001 Camberwell (VIC) | 5 | 388 | 378 |
| 15.05.2005 Dandenong (VIC) | 3 | 287 | 411 |
| 28.05.2006 06DAND.TOU (VIC) | 1 | 360 | 392 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 352.25 | 401.5 | |
| Spread: | -197 | 197 | |