Bahia Mouhtassine defeated Nathalie Vierin 4-6 6-2 6-2 in the Roland Garros q128 on clay. The upset overturned the form book — Nathalie Vierin came in leading the head-to-head 1–0, but Bahia Mouhtassine had been the form player, winning 3 of their last 9 on clay. Bahia Mouhtassine claimed a first win over Nathalie Vierin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-12-07 | Ismailia 10K | R32 | clay | Nathalie Vierin | 6-2 6-4 |
Averages over each player's completed matches in the selected window (1 vs 11). 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. Small sample — read as indicative. About