Tihomir Grozdanov defeated Pirmin Haenle 6-4 1-6 6-2 in the Croatia F1 qualifying round of 64 on hard. The upset overturned the form book — Pirmin Haenle came in leading the head-to-head 2–0, but Tihomir Grozdanov had been the form player, winning 2 of their last 4 on hard. Tihomir Grozdanov claimed a first win over Pirmin Haenle in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-15 | Serbia F3 | R32 | clay | Pirmin Haenle | 6-3 7-6(12) |
| 2007-05-07 | Bulgaria F1 | R32 | clay | Pirmin Haenle | 5-7 6-4 6-4 |
Averages over each player's completed matches in the selected window (6 vs 51). 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. About