Niklas Schell defeated Justin Schlageter 6-7 6-3 6-4 in the M15 Sharm ElSheikh 15 round of 16 on hard. Niklas Schell claimed a first win over Justin Schlageter in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-05 | M25 Meerbusch 1 | QF | clay | Justin Schlageter | 7-5 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.