Yi Zhou vs Stefan Kozlov — Pozoblanco Round of 32

Slight edge · Zhou Y. narrowly ahead

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.

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Zhou Y.: 3 days rest · 3 matches, 65 games (7d) · Kozlov S.: 3 days rest · 3 matches, 72 games (7d). Higher means fresher. About