See main article: 2013 Aberto de Tênis do Rio Grande do Sul. Simon Greul was the defending champion, but chose not to compete.
Facundo Argüello won the title, defeating Máximo González in the final, 6–4, 6–1.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "2013 Aberto de Tênis do Rio Grande do Sul – Singles".
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