2013 Brasil Open – Singles

Rafael Nadal defeated David Nalbandian in the final, 6–2, 6–3 to win the singles tennis title at the 2013 Brasil Open.

Nicolás Almagro was the two-time defending champion, but lost in the quarterfinals to Nalbandian.

Seeds
• # 🇪🇸 Rafael Nadal (champion)

• # 🇪🇸 Nicolás Almagro (quarterfinals)

• # 🇦🇷 Juan Mónaco (second round)

• # 🇫🇷 Jérémy Chardy (second round)

• # 🇧🇷 Thomaz Bellucci (second round)

• # 🇮🇹 Fabio Fognini (first round)

• # 🇪🇸 Pablo Andújar (second round)

• # 🇪🇸 Albert Ramos (second round)

Seeds
• # João Sousa (first round)

• # 🇦🇷 Martín Alund (qualifying competition, lucky loser)

• # 🇧🇷 Rogério Dutra da Silva (second round)

• # 🇦🇷 Federico Delbonis (first round)

• # Gastão Elias (second round)

• # 🇧🇷 Thiago Alves (second round)

• # 🇧🇷 João Souza (qualified)

• # Paul Capdeville (qualified)

Qualifiers
• # 🇧🇷 Guilherme Clezar

• # Jorge Aguilar

• # 🇧🇷 João Souza

• # Paul Capdeville

Lucky loser

 * 1) 🇦🇷 Martín Alund