

Hugo Dellien defeated Daniel Masur 6-2 6-3 in the Luedenscheid CH round of 32 on clay. Hugo Dellien extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-28 | Wimbledon | Q2 | grass | Daniel Masur | 6-3 7-6(4) |
| 2019-07-22 | Hamburg | Q1 | clay | Hugo Dellien | 4-6 6-2 7-5 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 130). 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) · Masur D.: 13 days rest · 2 matches (14d). Higher means fresher. About