Anastasia Zakharova faces Hanne Vandewinkel in the Istanbul 2 semi-final on hard. Hanne Vandewinkel holds the paper edge — ranked #98, a roughly 20-point hard Elo advantage.
Slight edge · Zakharova A. narrowly ahead
Calibrated model · 66% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
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 (32 vs 35). 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
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zakharova A.: 1 day rest · 2 matches, 55 games (7d) · Vandewinkel H.: 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