Razvan Sabau defeated Gleb Sakharov 6-7 6-4 6-2 in the Bulgaria F3 qualifying round on clay. The upset overturned the form book — Gleb Sakharov came in leading the head-to-head 1–0. Razvan Sabau claimed a first win over Gleb Sakharov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-12 | Romania F7 | QF | clay | Gleb Sakharov | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.