Nikolay Davydenko defeated Felix Mantilla 6-3 7-5 in the St. Poelten quarter-final on clay. The upset overturned the form book — Felix Mantilla came in leading the head-to-head 1–0. Nikolay Davydenko claimed a first win over Felix Mantilla in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-13 | Bucharest | R32 | clay | Felix Mantilla | 7-6(3) 6-0 |
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 32). ATP, WTA & Challenger.