
Kacper Zuk defeated Pavel Kotov 6-4 6-4 in the Biel CH round of 16 on hard. The upset overturned the form book — Pavel Kotov came in leading the head-to-head 1–0. Kacper Zuk claimed a first win over Pavel Kotov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-20 | Nur-Sultan | Q1 | hard | Pavel Kotov | 6-2 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
Averages over each player's completed matches in the selected window (81 vs 200). ATP, WTA & Challenger.
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.