Tereza Valentova faces Daria Snigur in the Livesport Prague Open semi-final on hard. Daria Snigur holds the paper edge — ranked #54.
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 (19 vs 37). 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
Valentova T.: 2 days rest · 3 matches, 59 games (7d) · Snigur D.: 2 days rest · 2 matches, 47 games (7d). Higher means fresher. About
No previous meetings on record.
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About