| Date | Tournament | State | Round | John Holgate | Zina Costanzo |
|---|---|---|---|---|---|
| 05/07/1998 | High Country | VIC | 8 | 450 | 350 |
| 01/08/1999 | Winter Masters | NSW | 1 | 439 | 314 |
| 08/09/2002 | Beecroft Marathon | NSW | 14 | 449 | 354 |
| 07/10/2002 | New South Wales Championships | NSW | 8 | 485 | 329 |
| Head-to-head after 4 games | 4 | 0 | |||
| Average score | 455.75 | 336.75 | |||
| Spread | 476 | -476 | |||