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