

Hugo Dellien defeated Daniel Masur 4-6 6-2 7-5 in the Hamburg q16 on clay. Hugo Dellien narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-28 | Wimbledon | Q2 | grass | Daniel Masur | 6-3 7-6 |
| 2021-06-23 | Wimbledon | Q64 | grass | Daniel Masur | 6-3 7-6(4) |
| 2019-07-22 | Hamburg | Q1 | clay | Hugo Dellien | 4-6 6-2 7-5 |
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Dellien H.: played today · 1 match, 17 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