Bu Yunchaokete faces Michael Zheng in the Hangzhou round of 32 on hard. Michael Zheng holds the paper edge — ranked #92, leading the head-to-head 1–0, a roughly 30-point hard Elo advantage.
Toss-up · Too close to call
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.
Averages over each player's completed matches in the selected window (16 vs 20). 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
Yunchaokete B.: 18 days rest · Zheng M.: 3 days rest · 4 matches, 93 games (7d). Higher means fresher. About
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-09-04 | US Open | R64 | hard | Michael Zheng | 3-6 6-2 2-6 3-6 |
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About