| Date | Tournament | State | Round | Chris May | Zina Costanzo |
|---|---|---|---|---|---|
| 30/01/2000 | City of Sydney International Masters | NSW | 2 | 390 | 361 |
| 30/01/2000 | City of Sydney International Masters | NSW | 17 | 407 | 370 |
| 07/09/2002 | St George | NSW | 2 | 406 | 407 |
| 02/05/2004 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 8 | 433 | 351 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 409.00 | 372.25 | |||
| Spread | 147 | -147 | |||