Sandro Kopp defeated Guy Den Ouden 6-4 6-4 in the M15 Frederiksberg 1 round of 32 on clay.
Kopp S. took it in straight sets.
Sandro Kopp beat Guy Den Ouden 6-4 6-4. Umpiry, "Sandro Kopp vs Guy Den Ouden — M15 Frederiksberg 1 Round of 32", https://umpiry.com/match/2021-08-03/kopp-vs-ouden-m15-frederiksberg-1-r32?utm_source=cite (as of 3 August 2021).