Daniel Michalski defeated Piotr Grynkowski 6-1 6-1 in the M15 Lodz 1 round of 32 on clay.
Michalski D. took it in straight sets.
Daniel Michalski beat Piotr Grynkowski 6-1 6-1. Umpiry, "Daniel Michalski vs Piotr Grynkowski — M15 Lodz 1 Round of 32", https://umpiry.com/match/2021-08-18/grynkowski-vs-michalski-m15-lodz-1-r32?utm_source=cite (as of 18 August 2021).