Marek Semjan defeated Peter Heller 7-5 6-4 in the Qatar F1 qualifying round on hard. The upset overturned the form book — Peter Heller came in leading the head-to-head 1–0. Marek Semjan claimed a first win over Peter Heller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-18 | Cyprus F2 | R16 | hard | Peter Heller | 6-1 5-7 6-1 |
Averages over each player's completed matches in the selected window (51 vs 200). 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