
Yasutaka Uchiyama defeated Zdenek Kolar 6-2 6-1 in the Koblenz CH round of 16 on hard. The upset overturned the form book — Zdenek Kolar came in ranked #153, leading the head-to-head 1–0. Yasutaka Uchiyama claimed a first win over Zdenek Kolar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Australian Open | Q1 | hard | Zdenek Kolar | 7-6(5) 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (199 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kolar Z.: 5 days rest · 1 match, 19 games (7d). Higher means fresher. About