Bastian Knittel defeated Robin Roshardt 4-6 6-3 6-2 in the Germany F16 qualifying round on clay. The upset overturned the form book — Robin Roshardt came in leading the head-to-head 1–0. Bastian Knittel claimed a first win over Robin Roshardt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-29 | Switzerland 2 2 | R16 | clay | Robin Roshardt | 6-7(5) 7-6(4) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.