Marcel Zimmermann defeated Dustin Brown 6-1 4-6 6-1 in the Germany F15 qualifying round on clay. Marcel Zimmermann extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-11 | Germany F16 | QF | clay | Marcel Zimmermann | 1-6 6-3 6-3 |
| 2005-10-03 | Germany 1 Satellite 2 | SF | carpet | Dustin Brown | 5-7 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.