Khumoun Sultanov defeated Lucio Ratti 6-4, 7-5 in the Round of 16 at the Astana hard-court tournament. Sultanov hit 6 aces and 7 double faults, while winning 80% of his first-serve points and converting 57% of his break points. Sultanov won 4 service breaks to Ratti's 2.
No previous meetings on record.
Averages over each player's completed matches in the selected window (20 vs 18). ATP, WTA & Challenger.
Toss-up · Too close to call
Calibrated model · 63% 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.
Ratti L.: 1 day rest · 2 matches, 52 games (7d) · Sultanov K.: 4 days rest · 3 matches, 72 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About