James Lemke defeated Marcel Zimmermann 7-5 7-5 in the Germany F7 qualifying round on clay. The result followed the form book — James Lemke came in leading the head-to-head 2–0. James Lemke extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-09 | Italy F9 | QF | clay | James Lemke | 6-2 7-6(4) |
| 2009-04-27 | Great Britain F5 | R16 | clay | James Lemke | 6-3 6-7(5) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.