Marius Zay defeated Yannick Mertens 6-2 5-7 6-3 in the Germany F12 round of 32 on clay. The result followed the form book — Marius Zay came in leading the head-to-head 1–0. Marius Zay extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-07-28 | Germany F13 | QF | clay | Marius Zay | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.