Andrei Mlendea defeated Tihomir Grozdanov 6-4 6-4 in the Germany F5 round of 16 on clay. The upset overturned the form book — Tihomir Grozdanov came in leading the head-to-head 1–0. Andrei Mlendea claimed a first win over Tihomir Grozdanov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-19 | Bulgaria F3 | R32 | clay | Tihomir Grozdanov | 6-1 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.