Alexander Zhurbin defeated Adrian Sikora 4-6 6-4 6-2 in the Kazakhstan F4 round of 16 on clay. The upset overturned the form book — Adrian Sikora came in leading the head-to-head 1–0. Alexander Zhurbin claimed a first win over Adrian Sikora in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-11-28 | Kazakhstan F8 | R32 | hard | Adrian Sikora | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.