Jan Kumstat defeated Tom Zeuch in the Hamburg clay-court tournament's round of 16. The match ended with a score of 3-6, 7-6, 6-3 in favor of Kumstat.
No previous meetings on record.
Averages over each player's completed matches in the selected window (10 vs 3). ATP, WTA & Challenger.
Clear favourite · Kumstat J. clearly ahead, but no certainty
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.
Kumstat J.: 1 day rest · 5 matches, 119 games (7d) · Zeuch T.: 9 days rest · 2 matches (14d). 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