David Poljak defeated Lev Kazakov 7-6 6-1 in the Poland F4 round of 32 on clay.
Poljak D. took it in straight sets.
David Poljak beat Lev Kazakov 7-6(3) 6-1. Umpiry, "David Poljak vs Lev Kazakov — Poland F4 Round of 32", https://umpiry.com/match/2017-07-03/kazakov-vs-poljak-poland-f4-r32?utm_source=cite (as of 3 July 2017).