Valentin Guenther defeated Jannis Kahlke 6-4 6-2 in the M15 Marburg 1 qualifying round of 16 on clay. The result followed the form book — Valentin Guenther came in leading the head-to-head 1–0. Valentin Guenther extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-31 | Germany F17 | Q16 | hard | Valentin Guenther | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.