Nikolay Davydenko defeated Stefan Koubek 6-2 6-1 6-4 in the Roland Garros round of 128 on clay. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 1–0. Nikolay Davydenko claimed a first win over Stefan Koubek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-06 | Vienna | R32 | hard | Stefan Koubek | 6-2 4-6 7-6(3) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 25). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About