Antonella Serra Zanetti defeated Amanda Hopmans 7-5 6-3 in the Bytom 50K round of 32 on clay. The upset overturned the form book — Amanda Hopmans came in leading the head-to-head 1–0. Antonella Serra Zanetti claimed a first win over Amanda Hopmans in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-23 | Bucharest 25K | QF | clay | Amanda Hopmans | 4-6 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.