Tereza Valentova vs Sofia Costoulas — Athens Round of 32
Valentova T.
Win Probability
Pre-match · updated 21:20 UTC50–58%
58–67%
67–80%
80%+
Strong favourite · Valentova T. heavily favoured
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Form trajectory
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Statistics
This seasonAverages over each player's completed matches in the selected window (19 vs 35). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Serve & return on hard
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Freshness
Recent loadValentova T.: 11 days rest · 1 match (14d) · Costoulas S.: 18 days rest. Higher means fresher. About
Conditions
Head to head
No previous meetings on record.