
Tomasz Berkieta defeated Zdenek Kolar 7-5 7-5 in the M25 Koszalin 1 quarter-final on clay. The upset overturned the form book — Zdenek Kolar came in ranked #154, leading the head-to-head 1–0, but Tomasz Berkieta had been the form player, winning 5 of their last 9 on clay. Tomasz Berkieta claimed a first win over Zdenek Kolar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-28 | M15 Grodzisk Mazowiecki 1 | SF | clay | Zdenek Kolar | 7-5 6-2 |
Averages over each player's completed matches in the selected window (13 vs 88). ATP, WTA & Challenger.
Kolar Z.: 6 days rest · 1 match, 17 games (7d). 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