| Tournament | Round | Hanne Marks | Sue Flack |
| 30.08.1998 Baulkham Hills (NSW) | 2 | 380 | 295 |
| 05.10.1998 New South Wales Championships (NSW) | 2 | 482 | 304 |
| 21.01.1999 City of Sydney Masters (NSW) | 5 | 420 | 427 |
| 21.05.1999 Ulladulla (NSW) | 4 | 371 | 351 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 413.25 | 344.25 | |
| Spread: | 276 | -276 | |