Viktor Troicki defeated Dmitri Sitak 6-4 6-4 in the Doha q32 on hard. The upset overturned the form book — Dmitri Sitak came in leading the head-to-head 1–0. Viktor Troicki claimed a first win over Dmitri Sitak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-24 | Bangkok | Q16 | hard | Dmitri Sitak | 3-6 7-6(5) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.