O. Grzegorzewski defeated Hubert Jakub Plenkiewicz 6-1 6-1 in the M15 Krakow qualifying round of 32 on clay.
Grzegorzewski O. took it in straight sets.
O. Grzegorzewski beat Hubert Jakub Plenkiewicz 6-1 6-1. Umpiry, "O. Grzegorzewski vs Hubert Jakub Plenkiewicz — M15 Krakow Qualifying Round of 32", https://umpiry.com/match/2026-08-17/grzegorzewski-vs-plenkiewicz-m15-krakow-q32?utm_source=cite (as of 17 August 2026).