
Madison Keys defeated Ying Ying Duan 6-0 4-6 6-1 in the Beijing round of 64 on hard. The result followed the form book — Madison Keys came in defending last year's round of 16.
No previous meetings on record.
Averages over each player's completed matches in the selected window (200 vs 114). ATP, WTA & Challenger.
Keys M.: 10 days rest · 3 matches (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About