Shuai Zhang faces Karolina Muchova in the Berlin round of 32 on grass. Karolina Muchova holds the paper edge — ranked #10, leading the head-to-head 2–0, a roughly 150-point grass Elo advantage.
Strong favourite · Muchova K. heavily favoured
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
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.
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Averages over each player's completed matches in the selected window (24 vs 23). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zhang S.: 2 days rest · 2 matches, 34 games (7d) · Muchova K.: 17 days rest. Higher means fresher. About
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-28 | Wimbledon | R128 | grass | Karolina Muchova | 6-3 6-3 |
| 2020-10-19 | Ostrava | R32 | hard | Karolina Muchova | 6-1 6-1 |