Kevin Deden defeated Marcel Zimmermann 6-1 6-4 in the Germany F6 round of 16 on clay. The upset overturned the form book — Marcel Zimmermann came in leading the head-to-head 2–0. Kevin Deden claimed a first win over Marcel Zimmermann in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-02 | Germany 1 Satellite 4 | QF | carpet | Marcel Zimmermann | 4-6 6-1 6-4 |
| 2004-10-04 | Germany 1 Satellite 3 | R32 | carpet | Marcel Zimmermann | 6-4 3-0 |