Daniel Siniakov defeated Federico Arnaboldi 6-4 6-1 in the M15 Prague 2 qualifying round of 16 on hard.
Siniakov D. took it in straight sets.
Daniel Siniakov beat Federico Arnaboldi 6-4 6-1. Umpiry, "Daniel Siniakov vs Federico Arnaboldi — M15 Prague 2 Qualifying Round of 16", https://umpiry.com/match/2019-11-05/arnaboldi-vs-siniakov-m15-prague-2-q16?utm_source=cite (as of 5 November 2019).