Max Houkes advanced to the quarterfinals at the Hamburg tournament, defeating Jan Kumstat in the Round of 16. The match ended with Houkes taking the first set 6-4 and winning the second set 7-6.
No previous meetings on record.
Averages over each player's completed matches in the selected window (10 vs 25). 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.
Kumstat J.: 2 days rest · 5 matches, 131 games (7d) · Houkes M.: 5 days rest · 2 matches, 43 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