| Tournament | Round | Zina Costanzo | Chris May |
| 30.01.2000 City of Sydney International Masters (NSW) | 2 | 361 | 390 |
| 30.01.2000 City of Sydney International Masters (NSW) | 17 | 370 | 407 |
| 07.09.2002 St George (NSW) | 2 | 407 | 406 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 8 | 351 | 433 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 372.25 | 409 | |
| Spread: | -147 | 147 | |