Wynne Prakusya defeated Catherine Barclay 2-6 7-6 7-6 in the Port Pirie 25K qualifying round on hard. The upset overturned the form book — Catherine Barclay came in leading the head-to-head 1–0. Wynne Prakusya claimed a first win over Catherine Barclay in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-19 | Gold Coast 25K | SF | hard | Catherine Barclay | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.