Gonzalo Lama defeated Remy Bertola 6-2 7-5 in the M25 Klosters 1 quarter-final on clay.
Lama G. took it in straight sets.
Gonzalo Lama beat Remy Bertola 6-2 7-5. Umpiry, "Gonzalo Lama vs Remy Bertola — M25 Klosters 1 Quarter-final", https://umpiry.com/match/2020-09-18/bertola-vs-lama-m25-klosters-1-qf?utm_source=cite (as of 18 September 2020).