Vladimir Polyakov defeated Denys Klok 6-4 6-1 in the Finland F4 round of 32 on hard.
Polyakov V. took it in straight sets.
Vladimir Polyakov beat Denys Klok 6-4 6-1. Umpiry, "Vladimir Polyakov vs Denys Klok — Finland F4 Round of 32", https://umpiry.com/match/2017-11-13/klok-vs-polyakov-finland-f4-r32?utm_source=cite (as of 13 November 2017).