Oscar Otte defeated Danilo Petrovic 6-3 6-2 in the Aix En Provence CH quarter-final on clay. The result followed the form book — Oscar Otte came in leading the head-to-head 1–0. Oscar Otte extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | Q2 | clay | Oscar Otte | 6-1 7-5 |
Averages from each player's recent completed matches (20 vs 5). ATP, WTA & Challenger.