Duilio Beretta defeated Sebastian Serrano 6-1 6-3 in the Colombia F1 round of 16 on clay.
Beretta D. took it in straight sets.
Duilio Beretta beat Sebastian Serrano 6-1 6-3. Umpiry, "Duilio Beretta vs Sebastian Serrano — Colombia F1 Round of 16", https://umpiry.com/match/2012-08-13/beretta-vs-serrano-colombia-f1-r16?utm_source=cite (as of 13 August 2012).