Alexandre Muller defeated Piotr Matuszewski 6-3 6-1 in the Poland F3 semi-final on clay.
Muller A. took it in straight sets.
Alexandre Muller beat Piotr Matuszewski 6-3 6-1. Umpiry, "Alexandre Muller vs Piotr Matuszewski — Poland F3 Semi-final", https://umpiry.com/match/2017-06-26/matuszewski-vs-muller-poland-f3-sf?utm_source=cite (as of 26 June 2017).