| Date | Tournament | State | Round | Zina Costanzo | Bob Jackman |
|---|---|---|---|---|---|
| 30/12/1996 | Summer Sgramble | VIC | 10 | 373 | 386 |
| 07/05/2000 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 2 | 326 | 449 |
| 08/09/2002 | Beecroft Marathon | NSW | 9 | 341 | 395 |
| 07/10/2002 | New South Wales Championships | NSW | 17 | 299 | 414 |
| 04/05/2003 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 4 | 430 | 410 |
| 02/05/2004 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 4 | 247 | 431 |
| Head-to-head after 6 games | 1 | 5 | |||
| Average score | 336.00 | 414.17 | |||
| Spread | -469 | 469 | |||