Facundo Arguello defeated Dominik Koepfer 6-2 6-1 in the USA F7 round of 16 on clay.
Arguello F. took it in straight sets.
Facundo Arguello beat Dominik Koepfer 6-2 6-1. Umpiry, "Facundo Arguello vs Dominik Koepfer — USA F7 Round of 16", https://umpiry.com/match/2017-02-13/arguello-vs-koepfer-usa-f7-r16?utm_source=cite (as of 13 February 2017).