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