Hynek Barton defeated Jeremy Jahn 6-4 6-4 in the M15 Kamen 1 round of 16 on clay.
Barton H. took it in straight sets.
Hynek Barton beat Jeremy Jahn 6-4 6-4. Umpiry, "Hynek Barton vs Jeremy Jahn — M15 Kamen 1 Round of 16", https://umpiry.com/match/2023-06-29/barton-vs-jahn-m15-kamen-1-r16?utm_source=cite (as of 29 June 2023).