Sander Jong defeated John Sperle 6-2 5-7 6-2 in the M15 Metzingen 1 round of 32 on clay.
Jong S. came through in three sets.
Sander Jong beat John Sperle 6-2 5-7 6-2. Umpiry, "Sander Jong vs John Sperle — M15 Metzingen 1 Round of 32", https://umpiry.com/match/2023-07-26/jong-vs-sperle-m15-metzingen-1-r32?utm_source=cite (as of 26 July 2023).