
Hugo Dellien defeated Damir Dzumhur 6-4 6-1 in the Buenos Aires round of 32 on clay. The upset overturned the form book — Damir Dzumhur came in ranked #105, defending last year's round of 32, but Hugo Dellien had been the form player, winning 4 of their last 6 on clay.
No previous meetings on record.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (37 vs 25). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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.
Dellien H.: 1 day rest · 4 matches, 96 games (7d) · Dzumhur D.: 4 days rest · 2 matches, 43 games (7d). Higher means fresher. About