| Tournament | Round | Sue Gergelifi | Trevor Halsall |
| 17.01.1999 Baulkham Hills (NSW) | 3 | 304 | 422 |
| 21.01.1999 City of Sydney Masters (NSW) | 6 | 282 | 473 |
| 05.04.1999 Australian Championships (NSW) | 6 | 298 | 411 |
| 17.04.1999 Central Coast - Wyong (NSW) | 7 | 412 | 500 |
| 01.10.2001 New South Wales Championships (NSW) | 19 | 379 | 377 |
| 04.12.2004 North Shore (NSW) | 1 | 353 | 370 |
| 29.01.2017 City of Sydney International Masters (NSW) | 17 | 281 | 565 |
| Head-to-head after 7 games | 1 | 6 | |
| Average score | 329.85 | 445.42 | |
| Spread: | -809 | 809 | |