| Date | Tournament | State | Round | Zina Costanzo | Kris Howat |
|---|---|---|---|---|---|
| 06/12/1998 | Brighton | VIC | 4 | 320 | 389 |
| 23/05/1999 | Dandenong | VIC | 3 | 499 | 257 |
| 19/11/2000 | Geelong | VIC | 1 | 450 | 315 |
| 25/08/2002 | Eastern Suburbs | VIC | 7 | 420 | 266 |
| 19/01/2003 | Bil Rose Aestival | VIC | 6 | 350 | 335 |
| Head-to-head after 5 games | 4 | 1 | |||
| Average score | 407.80 | 312.40 | |||
| Spread | 477 | -477 | |||