Zdenek Kolar defeated Kamil Gajewski 6-1 6-3 in the Poland F1 round of 16 on clay.
Kolar Z. took it in straight sets.
Zdenek Kolar beat Kamil Gajewski 6-1 6-3. Umpiry, "Zdenek Kolar vs Kamil Gajewski — Poland F1 Round of 16", https://umpiry.com/match/2017-06-12/gajewski-vs-kolar-poland-f1-r16?utm_source=cite (as of 12 June 2017).