Alexander Flock defeated Yannick Mertens 7-6 6-4 in the Germany F11 qualifying round on clay. The result followed the form book — Alexander Flock came in leading the head-to-head 2–0. Alexander Flock extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-28 | Great Britain F3 | QF | hard | Alexander Flock | 7-6(2) 6-3 |
| 2007-05-21 | Romania F4 | SF | clay | Alexander Flock | 4-6 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.