Bastian Knittel defeated Jacob Adaktusson 6-4 6-2 in the Germany F1 round of 16 on carpet. The upset overturned the form book — Jacob Adaktusson came in leading the head-to-head 1–0. Bastian Knittel claimed a first win over Jacob Adaktusson in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-01-30 | Great Britain 1 3 | R16 | hard | Jacob Adaktusson | 7-6(8) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.