

Damir Dzumhur defeated Zdenek Kolar 7-6 2-6 6-2 in the Zadar CH round of 32 on clay. The result followed the form book — Damir Dzumhur came in ranked #108, leading the head-to-head 1–0. Damir Dzumhur extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-18 | Moscow | Q2 | hard | Damir Dzumhur | 7-5 6-3 |
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 (90 vs 94). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Dzumhur D.: 5 days rest · 2 matches, 43 games (7d) · Kolar Z.: 4 days rest · 2 matches, 37 games (7d). Higher means fresher. About