N. Schlagenhauf defeated David Hough 2-6 6-1 10-3 in the M15 Antalya 29 q64 on clay. The upset overturned the form book — David Hough came in leading the head-to-head 1–0. N. Schlagenhauf claimed a first win over David Hough in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-07 | M15 Antalya 31 | Q64 | clay | David Hough | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.