Thomas Muster defeated Albert Portas 6-2 6-0 in the Hamburg Masters round of 64 on clay. The upset overturned the form book — Albert Portas came in leading the head-to-head 1–0. Thomas Muster claimed a first win over Albert Portas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-07-14 | Stuttgart Outdoor | R32 | clay | Albert Portas | 6-4 7-5 |
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 (69 vs 200). ATP, WTA & Challenger.