Olaf Pieczkowski defeated John Sperle 6-3 6-2 in the M15 Monastir 44 quarter-final on hard.
Pieczkowski O. took it in straight sets.
Olaf Pieczkowski beat John Sperle 6-3 6-2. Umpiry, "Olaf Pieczkowski vs John Sperle — M15 Monastir 44 Quarter-final", https://umpiry.com/match/2023-11-03/pieczkowski-vs-sperle-m15-monastir-44-qf?utm_source=cite (as of 3 November 2023).