Andrej Martin defeated Jozef Kovalik 7-5 6-2 in the Kosice CH round of 32 on clay. The upset overturned the form book — Jozef Kovalik came in leading the head-to-head 1–0. Andrej Martin claimed a first win over Jozef Kovalik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-02-13 | Buenos Aires | Q1 | clay | Jozef Kovalik | 5-2 RET |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About