Marc Sieber defeated Vadim Alekseenko 6-2 6-0 in the Turkey F1 round of 32 on hard. The result followed the form book — Marc Sieber came in leading the head-to-head 1–0. Marc Sieber extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-14 | Czech Republic F2 | QF | clay | Marc Sieber | 6-0 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.