Alexander Sadecky defeated Daniel Kumlin 7-6 6-7 6-2 in the Germany F19 round of 32 on hard. The upset overturned the form book — Daniel Kumlin came in leading the head-to-head 1–0. Alexander Sadecky claimed a first win over Daniel Kumlin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Germany F20 | R16 | hard | Daniel Kumlin | 7-5 3-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.