Arina Gabriela Vasilescu defeated Romy Koelzer 1-6 6-4 11-9 in the W25 Frydek Mistek q64 on clay. The upset overturned the form book — Romy Koelzer came in leading the head-to-head 1–0. Arina Gabriela Vasilescu claimed a first win over Romy Koelzer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-11 | W15 Heraklion 1 | R32 | clay | Romy Koelzer | 7-5 7-5 |
Averages over each player's completed matches in the selected window (200 vs 31). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About