Alexander Donski defeated Aziz Dougaz 6-3 7-6 in the M15 Monastir 11 quarter-final on hard. The result followed the form book — Alexander Donski came in leading the head-to-head 1–0. Alexander Donski extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-17 | M15 Monastir 9 | R32 | hard | Alexander Donski | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.