Alexander Flock defeated Yannick Mertens 4-6 6-3 7-5 in the Romania F4 semi-final 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 |
| 2007-07-30 | Germany F11 | QF | clay | Alexander Flock | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.