Magda Mihalache defeated Nathalie Vierin 6-2 6-2 in the Darmstadt 25K round of 16 on clay. The upset overturned the form book — Nathalie Vierin came in leading the head-to-head 2–0, but Magda Mihalache had been the form player, winning 4 of their last 9 on clay. Magda Mihalache claimed a first win over Nathalie Vierin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-04 | Galatina 25K | R16 | clay | Nathalie Vierin | 5-7 6-4 7-6(2) |
| 2000-05-22 | Biella 10K | R32 | clay | Nathalie Vierin | 4-6 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.