Stefan Seifert defeated Yannick Zuern 6-3 6-3 in the Germany F1 round of 32 on carpet.
Seifert S. took it in straight sets.
Stefan Seifert beat Yannick Zuern 6-3 6-3. Umpiry, "Stefan Seifert vs Yannick Zuern — Germany F1 Round of 32", https://umpiry.com/match/2013-01-07/seifert-vs-zuern-germany-f1-r32?utm_source=cite (as of 7 January 2013).