
Mona Barthel defeated Simona Waltert 1-6 6-3 6-4 in the W100 Oeiras 1 round of 16 on clay. The upset overturned the form book — Simona Waltert came in ranked #91, leading the head-to-head 1–0. Mona Barthel claimed a first win over Simona Waltert in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-11 | W60+H La Bisbal D'Emporda | R32 | clay | Simona Waltert | 7-5 7-6(2) |
Averages over each player's completed matches in the selected window (78 vs 96). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Barthel M.: 5 days rest · 3 matches, 68 games (7d) · Waltert S.: 4 days rest · 1 match, 35 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About