| Tournament | Round | Derek McKenzie | Gloria Gallagher |
| 01.03.1998 Balmain (NSW) | 3 | 354 | 352 |
| 08.06.1998 Victorian Championships (VIC) | 10 | 405 | 344 |
| 05.10.1998 New South Wales Championships (NSW) | 16 | 408 | 328 |
| 01.08.1999 Winter Masters (NSW) | 13 | 515 | 293 |
| 17.02.2001 Wollongong WORDS February Frolic (NSW) | 6 | 468 | 302 |
| 21.07.2002 Winter Masters (NSW) | 1 | 411 | 314 |
| Head-to-head after 6 games | 6 | 0 | |
| Average score | 426.83 | 322.16 | |
| Spread: | 628 | -628 | |