Marcel Zimmermann defeated Antonio Sancic 6-4 7-6 in the Switzerland F3 round of 32 on carpet. The result followed the form book — Marcel Zimmermann came in leading the head-to-head 2–0. Marcel Zimmermann extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-21 | Croatia F3 | R32 | clay | Marcel Zimmermann | 6-4 6-4 |
| 2011-02-14 | Croatia F1 | QF | hard | Marcel Zimmermann | 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.