Petar Trendafilov defeated Pirmin Haenle 6-1 7-5 in the Turkey F43 round of 32 on hard. The upset overturned the form book — Pirmin Haenle came in leading the head-to-head 1–0. Petar Trendafilov claimed a first win over Pirmin Haenle in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-08 | Bulgaria F8 | R32 | clay | Pirmin Haenle | 6-3 4-6 6-3 |
Averages over each player's completed matches in the selected window (2 vs 51). ATP, WTA & Challenger.
wins 60% of points on serve vs Haenle P.
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