2011 Copa Petrobras Montevideo

Country	Player	Rank1	Seed
ARG	Carlos Berlocq	65	1
ARG	Leonardo Mayer	81	2
ARG	Diego Junqueira	91	3
BRA	João Souza	101	4
BRA	Rogério Dutra da Silva	122	5
ARG	Máximo González	131	6
USA	Wayne Odesnik	132	7
ITA	Alessandro Giannessi	136	8

• ¹ Rankings are as of November 7, 2011.

The following players received wildcards into the singles main draw:

• Martín Cuevas
• Tiago Fernandes
• Diego Hidalgo
• Nicolás Massú

The following players received entry from the qualifying draw:

• Alejandro Fabbri
• Renzo Olivo
• Diego Schwartzman
• Agustín Velotti

Carlos Berlocq def. Máximo González, 6–2, 7–5

Nikola Ćirić / Goran Tošić def. Marcel Felder / Diego Schwartzman, 7–6^(7–5), 7–6^(7–4)

• Official Website
• ITF Search Archived 2010-02-12 at the Wayback Machine
• ATP official site