Mariano Zabaleta defeated Thomas Johansson 6-4 6-2 in the Hamburg Masters round of 32 on clay. The upset overturned the form book — Thomas Johansson came in leading the head-to-head 2–0, defending last year's quarter-final. Mariano Zabaleta claimed a first win over Thomas Johansson in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-29 | US Open | R128 | hard | Thomas Johansson | 6-3 6-4 6-3 |
| 1999-08-23 | Long Island | R32 | hard | Thomas Johansson | 5-7 6-4 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 200). ATP, WTA & Challenger.