Sergei Krotiouk defeated Mikhail Elgin 6-3 6-4 in the Uzbekistan F1 qualifying round on hard. The upset overturned the form book — Mikhail Elgin came in leading the head-to-head 2–0. Sergei Krotiouk claimed a first win over Mikhail Elgin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-27 | Kazakhstan F3 | QF | hard | Mikhail Elgin | 6-4 6-2 |
| 2001-09-10 | Ukraine F1 | R32 | clay | Mikhail Elgin | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.