| Tournament | Round | Sue Gergelifi | Derek McKenzie |
| 26.07.1998 Winter Masters (NSW) | 4 | 455 | 312 |
| 05.10.1998 New South Wales Championships (NSW) | 1 | 342 | 354 |
| 04.10.1999 New South Wales Championships (NSW) | 8 | 365 | 440 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 387.33 | 368.66 | |
| Spread: | 56 | -56 | |