Holger Fischer defeated Jan Mertl 6-2 6-3 in the Switzerland 1 1 round of 16 on carpet. The upset overturned the form book — Jan Mertl came in leading the head-to-head 1–0. Holger Fischer claimed a first win over Jan Mertl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-10-11 | Germany F18 | R16 | hard | Jan Mertl | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.