Kevin Kaczynski defeated Jean Marc Werner 6-3 7-5 in the Germany F11 round of 16 on clay. The upset overturned the form book — Jean Marc Werner came in leading the head-to-head 2–0. Kevin Kaczynski claimed a first win over Jean Marc Werner in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-11 | Egypt F33 | R16 | clay | Jean Marc Werner | 6-4 6-2 |
| 2013-06-17 | Germany F6 | R32 | clay | Jean Marc Werner | 3-6 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.