Martin Fischer defeated Simon Greul 6-4 2-6 6-4 in the Zagreb q32 on hard. The result followed the form book — Martin Fischer came in leading the head-to-head 2–0. Martin Fischer extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-17 | Wimbledon | Q128 | grass | Martin Fischer | 4-6 6-4 |
| 2013-04-27 | Munich | Q32 | clay | Martin Fischer | 6-1 3-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.