Rafael Mazon Hernandez defeated Marcus Yu 6-0 6-1 in the USA F1 qualifying round of 128 on clay.
Mazon Hernandez R. took it in straight sets.
Rafael Mazon Hernandez beat Marcus Yu 6-0 6-1. Umpiry, "Rafael Mazon Hernandez vs Marcus Yu — USA F1 Qualifying Round of 128", https://umpiry.com/match/2013-01-07/hernandez-vs-yu-usa-f1-q128?utm_source=cite (as of 7 January 2013).