Andis Juska defeated Jan Mertl 7-6 6-1 in the Germany F1 semi-final on carpet. The upset overturned the form book — Jan Mertl came in leading the head-to-head 2–1. Andis Juska narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-17 | Germany F2 | R32 | hard | Jan Mertl | 6-3 6-3 |
| 2008-12-15 | Czech Rep F6 | F | carpet | Jan Mertl | 7-6(7) 7-5 |
| 2008-12-08 | Czech Rep F5 | R16 | hard | Andis Juska | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.