| Date | Tournament | State | Round | Eilene Howarth | Zina Costanzo |
|---|---|---|---|---|---|
| 16/05/1998 | Dandenong | VIC | 1 | 290 | 422 |
| 23/05/1999 | Dandenong | VIC | 1 | 280 | 487 |
| 06/08/2000 | Knox | VIC | 1 | 269 | 345 |
| 05/08/2001 | Knox | VIC | 5 | 348 | 409 |
| Head-to-head after 4 games | 0 | 4 | |||
| Average score | 296.75 | 415.75 | |||
| Spread | -476 | 476 | |||