Jan Oliver Sadlowski defeated Nicolas Ernst 6-3 6-3 in the Germany F12 q32 on clay. The upset overturned the form book — Nicolas Ernst came in leading the head-to-head 1–0. Jan Oliver Sadlowski claimed a first win over Nicolas Ernst in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-21 | Germany F20 | Q32 | carpet | Nicolas Ernst | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.