Jessica Steck defeated Kerry Anne Guse 7-5 6-1 in the Mount Gambier 25K round of 16 on hard. The upset overturned the form book — Kerry Anne Guse came in leading the head-to-head 1–0. Jessica Steck claimed a first win over Kerry Anne Guse in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-15 | Taipei 50K | QF | hard | Kerry Anne Guse | 6-1 6-1 |