
Zsombor Piros faces Guy Den Ouden in the Hagen quarter-final on clay. Zsombor Piros holds the paper edge — ranked #123, a roughly 140-point clay Elo advantage. Recent clay form is closely matched.
Slight edge · Piros Z. 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.
Averages over each player's completed matches in the selected window (23 vs 14). 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
Piros Z.: 2 days rest · 2 matches, 36 games (7d) · Den Ouden G.: 2 days rest · 2 matches, 38 games (7d). Higher means fresher. About
No previous meetings on record.