| Tournament | Round | Jean Noonan | Derek McKenzie |
| 25.01.1998 City of Sydney International Masters (NSW) | 18 | 335 | 354 |
| 29.03.1998 Wyong (NSW) | 4 | 376 | 388 |
| 20.06.1998 Wollongong Marj Babb (NSW) | 2 | 389 | 351 |
| 24.10.1998 Spring Marathon (NSW) | 1 | 299 | 433 |
| 12.12.1998 North Shore (NSW) | 2 | 428 | 400 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 365.4 | 385.2 | |
| Spread: | -99 | 99 | |