Stanislav Vovk defeated Marek Semjan 7-5 6-4 in the Armenia F1 qualifying round on clay. The upset overturned the form book — Marek Semjan came in leading the head-to-head 2–0. Stanislav Vovk claimed a first win over Marek Semjan in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-14 | Kazakhstan F7 | F | hard | Marek Semjan | 6-2 7-6(5) |
| 2010-03-15 | Kazakhstan F1 | R16 | hard | Marek Semjan | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (1 vs 5). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About