

Daniel Masur defeated Jiri Lehecka 4-6 6-3 7-6 in the Prague CH round of 64 on clay. The upset overturned the form book — Jiri Lehecka came in ranked #12, defending last year's round of 64.
No previous meetings on record.
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
Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Masur D.: 15 days rest · Lehecka J.: 7 days rest · 1 match, 44 games (7d). Higher means fresher. About