Kevin Deden defeated Jakub Hasek 2-6 7-5 6-3 in the Germany F15 round of 16 on clay. The upset overturned the form book — Jakub Hasek came in leading the head-to-head 1–0. Kevin Deden claimed a first win over Jakub Hasek in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-23 | Germany F4 | R32 | carpet | Jakub Hasek | 6-4 7-5 |