Aleksandar Cvetkov defeated Vasko Mladenov 6-1 7-5 in the Bulgaria F5 semi-final on clay. The upset overturned the form book — Vasko Mladenov came in leading the head-to-head 1–0. Aleksandar Cvetkov claimed a first win over Vasko Mladenov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-08-27 | Bulgaria F6 | QF | clay | Vasko Mladenov | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.