Ondrej Krstev defeated Petr Hajek 6-4 3-6 6-2 in the Czech Republic F10 round of 32 on hard. The result followed the form book — Ondrej Krstev came in leading the head-to-head 1–0. Ondrej Krstev extended the head-to-head to 2–0.
Krstev O. came through in three sets.
Hard: Krstev O. leads 1–0 · Clay: Krstev O. leads 1–0
Ondrej Krstev beat Petr Hajek 6-4 3-6 6-2. Umpiry, "Ondrej Krstev vs Petr Hajek — Czech Republic F10 Round of 32", https://umpiry.com/match/2016-11-21/hajek-vs-krstev-czech-republic-f10-r32?utm_source=cite (as of 21 November 2016).