Tihomir Grozdanov defeated Andrei Mlendea 6-1 7-5 in the Bulgaria F3 round of 32 on clay. The upset overturned the form book — Andrei Mlendea came in leading the head-to-head 1–0, but Tihomir Grozdanov had been the form player, winning 5 of their last 6 on clay. Tihomir Grozdanov claimed a first win over Andrei Mlendea in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-14 | Germany F5 | R16 | clay | Andrei Mlendea | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.