Stefan Seifert defeated Marius Zay 6-2 6-2 in the Germany F9A round of 32 on clay. The result followed the form book — Stefan Seifert came in leading the head-to-head 2–1. Stefan Seifert extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-05 | Germany F19 | R32 | hard | Stefan Seifert | 6-3 6-2 |
| 2007-10-15 | Germany F20 | R32 | hard | Stefan Seifert | 6-1 6-0 |
| 2007-09-10 | Germany F16 | R32 | clay | Marius Zay | 7-5 6-2 |