Martin Klizan defeated Tommy Haas 6-3 6-2 in the Munich semi-final on clay. The upset overturned the form book — Tommy Haas came in leading the head-to-head 1–0, defending the title, but Martin Klizan had been the form player, winning 3 of their last 5 on clay. Martin Klizan claimed a first win over Tommy Haas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-16 | Hamburg | R32 | clay | Tommy Haas | 6-2 6-1 |
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 57). ATP, WTA & Challenger.