Gustavo Vellbach defeated Adolfo Marin 7-5 3-6 6-3 in the Peru F3 qualifying round of 16 on clay.
Vellbach G. came through in three sets.
Gustavo Vellbach beat Adolfo Marin 7-5 3-6 6-3. Umpiry, "Gustavo Vellbach vs Adolfo Marin — Peru F3 Qualifying Round of 16", https://umpiry.com/match/2013-10-21/marin-vs-vellbach-peru-f3-q16?utm_source=cite (as of 21 October 2013).