David Poljak defeated Marek Jaloviec 6-0 7-5 in the Azerbaijan F5 round of 16 on carpet. The upset overturned the form book — Marek Jaloviec came in leading the head-to-head 2–0. David Poljak claimed a first win over Marek Jaloviec in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-11-06 | Czech Republic F9 | R32 | hard | Marek Jaloviec | 5-7 6-3 6-3 |
| 2015-07-27 | Slovakia F3 | R16 | clay | Marek Jaloviec | 3-6 6-1 7-6(4) |
Averages over each player's completed matches in the selected window (199 vs 148). 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