Mark Joachim defeated Kevin Deden 6-3 7-6 in the Germany F9 round of 32 on clay. The upset overturned the form book — Kevin Deden came in leading the head-to-head 1–0. Mark Joachim claimed a first win over Kevin Deden in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-08 | Germany F19 | R32 | clay | Kevin Deden | 6-1 6-1 |