Gianni Mina defeated Matheson Klein 7-6 6-1 in the Mexico F4 round of 16 on hard.
Mina G. took it in straight sets.
Gianni Mina beat Matheson Klein 7-6(2) 6-1. Umpiry, "Gianni Mina vs Matheson Klein — Mexico F4 Round of 16", https://umpiry.com/match/2013-02-11/klein-vs-mina-mexico-f4-r16?utm_source=cite (as of 11 February 2013).