

Qinwen Zheng defeated Solana Sierra in the Round of 32 at the Bad Homburg grass tournament, winning 7-5, 4-6, 6-4. Zheng served 13 aces to Sierra's 2 and converted 43% of her break points, compared to Sierra's 22%. Zheng won 85% of her first-serve points to Sierra's 72%, and secured 3 service breaks to Sierra's 2.
Generated automatically from Umpiry match data.
No previous meetings on record.
Averages over each player's completed matches in the selected window (39 vs 21). 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.
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 grass field, opponent-adjusted over 52 weeks). About