David Souto defeated Oscar Fabian Matthews 6-2 6-2 in the Mexico F16 round of 16 on hard.
Souto D. took it in straight sets.
David Souto beat Oscar Fabian Matthews 6-2 6-2. Umpiry, "David Souto vs Oscar Fabian Matthews — Mexico F16 Round of 16", https://umpiry.com/match/2013-10-21/matthews-vs-souto-mexico-f16-r16?utm_source=cite (as of 21 October 2013).