Su Jeong Jang defeated Arina Arifullina 6-4, 6-3 in the quarterfinals of the W15 Astana 4. Jang converted 38% of her break points and won 69% of her first serves. She secured five service breaks to Arifullina's two, with both players recording one ace and five double faults.
No previous meetings on record.
Averages over each player's completed matches in the selected window (12 vs 14). ATP, WTA & Challenger.
Clear favourite · Jeong Jang S. clearly ahead, but no certainty
Calibrated model (out-of-sample validated). 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.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About