Stefano Pescosolido defeated Konstantin Don Gruber 6-3 6-4 in the Vienna q16 on hard. The upset overturned the form book — Konstantin Don Gruber came in leading the head-to-head 1–0. Stefano Pescosolido claimed a first win over Konstantin Don Gruber in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-26 | Munich | Q16 | clay | Konstantin Don Gruber | 6-4 6-4 |
Averages over each player's completed matches in the selected window (7 vs 1). 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. Small sample — read as indicative. About