| Date | Tournament | State | Round | Zina Costanzo | Elizabeth Ho |
|---|---|---|---|---|---|
| 05/04/1999 | Australian Championships | NSW | 16 | 343 | 311 |
| 27/01/2001 | City of Sydney International Masters | NSW | 7 | 347 | 345 |
| 27/01/2002 | City of Sydney International Masters | NSW | 16 | 396 | 446 |
| Head-to-head after 3 games | 2 | 1 | |||
| Average score | 362.00 | 367.33 | |||
| Spread | -16 | 16 | |||