Alex Rybakov defeated Marek Gengel 6-3 6-3 in the M25 Prostejov 1 round of 16 on clay.
Rybakov A. took it in straight sets.
Alex Rybakov beat Marek Gengel 6-3 6-3. Umpiry, "Alex Rybakov vs Marek Gengel — M25 Prostejov 1 Round of 16", https://umpiry.com/match/2021-08-18/gengel-vs-rybakov-m25-prostejov-1-r16?utm_source=cite (as of 18 August 2021).