Dustin Brown defeated Stefan Seifert 6-3 4-6 6-3 in the Germany F7 qualifying round on clay. The upset overturned the form book — Stefan Seifert came in leading the head-to-head 2–1. Dustin Brown narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-14 | Germany F2 | R32 | hard | Stefan Seifert | 6-3 6-1 |
| 2007-10-08 | Germany F19 | QF | hard | Stefan Seifert | 6-3 4-6 7-5 |
| 2005-10-03 | Germany 1 Satellite 2 | R32 | carpet | Dustin Brown | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.