

Vit Kopriva faces Jan Choinski in the Wimbledon round of 128 on grass. Vit Kopriva is the paper favourite — ranked #68, defending last year's round of 128, a roughly 160-point grass Elo advantage — but Jan Choinski arrives in form, winning 3 of their last 4 on grass to Vit Kopriva's 2.
Clear favourite · Kopriva V. clearly ahead, but no certainty
Calibrated model · 65% 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
Averages over each player's completed matches in the selected window (32 vs 30). 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
Kopriva V.: 1 day rest · 3 matches, 71 games (7d) · Choinski J.: 1 day rest · 5 matches, 133 games (7d). Higher means fresher. About
No previous meetings on record.