Juliusz Bienkiewicz defeated Mateusz Terczynski 3-6 6-3 10-5 in the M25 Poznan 1 qualifying round of 32 on clay. The upset overturned the form book — Mateusz Terczynski came in leading the head-to-head 1–0. Juliusz Bienkiewicz claimed a first win over Mateusz Terczynski in two meetings, levelling the head-to-head at 1–1.
Bienkiewicz J. came through in three sets.
Juliusz Bienkiewicz beat Mateusz Terczynski 3-6 6-3 10-5. Umpiry, "Juliusz Bienkiewicz vs Mateusz Terczynski — M25 Poznan 1 Qualifying Round of 32", https://umpiry.com/match/2023-08-21/bienkiewicz-vs-terczynski-m25-poznan-1-q32?utm_source=cite (as of 21 August 2023).