Stan Wawrinka defeated Michael Berrer 7-6 6-4 in the Chennai quarter-final on hard. The upset overturned the form book — Michael Berrer came in leading the head-to-head 1–0. Stan Wawrinka claimed a first win over Michael Berrer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-05-05 | Germany F3 | R16 | clay | Michael Berrer | 4-6 6-1 6-3 |
Averages over each player's completed matches in the selected window (198 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Wawrinka S.: 2 days rest · 2 matches, 45 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About