| Date | Tournament | State | Round | Ethel Collins | Sue Gergelifi |
|---|---|---|---|---|---|
| 04/10/1993 | New South Wales Championships | NSW | 3 | 314 | 406 |
| 29/01/1995 | Australian Masters | NSW | 6 | 344 | 325 |
| 08/04/1995 | Hassall Grove | NSW | 2 | 424 | 321 |
| 21/01/1999 | City of Sydney Masters | NSW | 2 | 316 | 396 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 349.50 | 362.00 | |||
| Spread | -50 | 50 | |||