David Sanchez advanced past Stefan Koubek via walkover in the St. Poelten round of 16. David Sanchez claimed a first win over Stefan Koubek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-24 | Roland Garros | R128 | clay | Stefan Koubek | 6-3 7-5 3-6 6-7 6-0 |
| 1997-01-03 | Spain 1 Masters 3 | QF | clay | Stefan Koubek | 6-4 6-3 |
Averages over each player's completed matches in the selected window (70 vs 169). 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. About