

Daniil Medvedev defeated Hugo Dellien 6-3 7-5 5-7 6-3 in the US Open round of 64 on hard. The result followed the form book — Daniil Medvedev came in ranked #8, defending last year's round of 32.
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 hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (198 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Medvedev D.: 10 days rest · 3 matches (14d) · Dellien H.: 1 day rest · 5 matches, 126 games (7d). Higher means fresher. About