
Zhizhen Zhang faces Coleman Wong in the Hangzhou round of 32 on hard. Coleman Wong brings the better recent hard form (3 of 4).
Slight edge Β· Wong C. narrowly ahead
Calibrated model Β· 65% favourite accuracy (2025β26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors β matchup, form, fatigue, travel and motivation β into a single 0β10 score, updated daily. Read how it works.
Averages over each player's completed matches in the selected window (28 vs 41). 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
No previous meetings on record.
Per-surface Serve / Return Rating (0β100, percentile within the hard field, opponent-adjusted over 52 weeks). About