Marcel Zimmermann defeated Ivan Bjelica 6-4 6-4 in the Germany F3 round of 16 on carpet. The upset overturned the form book — Ivan Bjelica came in leading the head-to-head 1–0. Marcel Zimmermann claimed a first win over Ivan Bjelica in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-02-21 | Croatia F2 | QF | hard | Ivan Bjelica | 3-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.