Svyatoslav Knyazev defeated Suren Vartanyan 7-5 6-3 in the Russia F7 qualifying round of 16 on clay. The result followed the form book — Svyatoslav Knyazev came in leading the head-to-head 1–0. Svyatoslav Knyazev extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-13 | Russia F6 | Q32 | clay | Svyatoslav Knyazev | 1-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.