Daniel Dutra Da Silva defeated Thiago Monteiro 7-5 7-6 in the USA F1 round of 32 on clay. Daniel Dutra Da Silva extended the head-to-head to 2–0.
Dutra Da Silva D. took it in straight sets.
Daniel Dutra Da Silva beat Thiago Monteiro 7-5 7-6(4). Umpiry, "Daniel Dutra Da Silva vs Thiago Monteiro — USA F1 Round of 32", https://umpiry.com/match/2013-01-07/monteiro-vs-silva-usa-f1-r32?utm_source=cite (as of 7 January 2013).