Daniil Glinka defeated Alexander Zgirovsky 7-6 7-6 in the M15 St. Petersburg 4 qualifying round of 16 on hard.
Glinka D. took it in straight sets.
Daniil Glinka beat Alexander Zgirovsky 7-6(2) 7-6(4). Umpiry, "Daniil Glinka vs Alexander Zgirovsky — M15 St. Petersburg 4 Qualifying Round of 16", https://umpiry.com/match/2021-04-12/glinka-vs-zgirovsky-m15-st-petersburg-4-q16?utm_source=cite (as of 12 April 2021).