Jakob Sude defeated Marcel Zimmermann 6-3 3-6 7-6 in the Germany F2 round of 16 on hard. The upset overturned the form book — Marcel Zimmermann came in leading the head-to-head 1–0. Jakob Sude claimed a first win over Marcel Zimmermann in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-22 | Switzerland F3 | R16 | carpet | Marcel Zimmermann | 7-6(1) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.