Alexander Lobkov defeated Sergei Krotiouk 6-1 6-4 in the Russia F5 qualifying round on clay. The upset overturned the form book — Sergei Krotiouk came in leading the head-to-head 4–0. Alexander Lobkov claimed a first win over Sergei Krotiouk in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | Russia F14 | QF | clay | Sergei Krotiouk | 5-7 6-4 6-6 |
| 2011-08-01 | Russia F4 | R16 | clay | Sergei Krotiouk | 6-2 6-3 |
| 2009-08-24 | Russia F6 | R32 | clay | Sergei Krotiouk | 6-3 7-5 |
| 2008-08-25 | Russia F5 | QF | clay | Sergei Krotiouk | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.