Amanda Hopmans defeated Antonella Serra Zanetti 4-6 6-2 7-5 in the Bucharest 25K qualifying round on clay. The upset overturned the form book — Antonella Serra Zanetti came in leading the head-to-head 1–0. Amanda Hopmans claimed a first win over Antonella Serra Zanetti in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-26 | Bytom 50K | R32 | clay | Antonella Serra Zanetti | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.