| Tournament | Round | Kerry Constable | Zina Costanzo |
| 09.08.1998 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 365 | 347 |
| 07.05.2000 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 6 | 438 | 310 |
| 05.05.2002 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 325 | 371 |
| 04.05.2003 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 1 | 435 | 342 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 371 | 491 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 386.8 | 372.2 | |
| Spread: | 73 | -73 | |