Stefan Koubek defeated Davide Sanguinetti 6-3 6-7 6-4 in the Merano round of 32 on clay. The upset overturned the form book — Davide Sanguinetti came in leading the head-to-head 2–0. Stefan Koubek claimed a first win over Davide Sanguinetti in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-06-07 | Queen's Club | R64 | grass | Davide Sanguinetti | 6-4 6-4 |
| 2002-03-18 | Miami Masters | R128 | hard | Davide Sanguinetti | 6-3 6-4 |
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 200). ATP, WTA & Challenger.