

Marek Gengel defeated Jiri Lehecka 3-6 7-6 6-4 in the M15 Prague 1 round of 16 on clay. The upset overturned the form book — Jiri Lehecka came in ranked #12. Marek Gengel extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-02-19 | M15 Sharm El Sheikh 3 | QF | hard | Jiri Lehecka | 6-3 1-6 6-4 |
| 2021-02-13 | M15 Sharm El Sheikh 2 | SF | hard | Marek Gengel | 5-7 6-4 6-3 |
Averages over each player's completed matches in the selected window (145 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About