Sandra Martinovic defeated Gabriela Chmelinova 6-3 7-6 in the Biograd 25K round of 32 on clay. The upset overturned the form book — Gabriela Chmelinova came in leading the head-to-head 1–0. Sandra Martinovic claimed a first win over Gabriela Chmelinova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-18 | Makarska 10K | QF | clay | Gabriela Chmelinova | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.