Alex Rybakov defeated David Poljak 7-6 7-6 in the M25 Prostejov 1 round of 32 on clay.
Rybakov A. took it in straight sets.
Alex Rybakov beat David Poljak 7-6(4) 7-6(7). Umpiry, "Alex Rybakov vs David Poljak — M25 Prostejov 1 Round of 32", https://umpiry.com/match/2021-08-17/poljak-vs-rybakov-m25-prostejov-1-r32?utm_source=cite (as of 17 August 2021).