Daniel Masur defeated Oscar Otte 7-6 2-6 6-1 in the Spain F7 qualifying round on hard. The result followed the form book — Daniel Masur came in leading the head-to-head 2–0. Daniel Masur extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-19 | Germany F4 | QF | clay | Daniel Masur | 6-4 5-7 6-4 |
| 2016-01-11 | Germany F1 | QF | carpet | Daniel Masur | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.