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