
Viktor Durasovic defeated Zdenek Kolar 6-4 7-6 in the Portoroz CH quarter-final on hard. The upset overturned the form book — Zdenek Kolar came in ranked #156, leading the head-to-head 2–0. Viktor Durasovic claimed a first win over Zdenek Kolar in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-17 | Munich | Q1 | clay | Zdenek Kolar | 6-4 6-7 6-3 |
| 2023-04-15 | Munich | Q16 | clay | Zdenek Kolar | 6-4 6-7(5) 6-3 |
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Durasovic V.: 2 days rest · 2 matches, 47 games (7d) · Kolar Z.: 17 days rest. Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About