2013 Brisbane International – Men's singles

Andy Murray was the defending champion, and successfully defended his title, defeating Grigor Dimitrov in the final, 7–6(7–0), 6–4.

Seeds
The top four seeds received a bye into the second round.

• # 🇬🇧 Andy Murray (champion)

• # 🇨🇦 Milos Raonic (second round)

• # 🇫🇷 Gilles Simon (quarterfinals)

• # 🇺🇦 Alexandr Dolgopolov (quarterfinals)

• # 🇯🇵 Kei Nishikori (semifinals, retired because of a left knee injury)

• # 🇩🇪 Florian Mayer (second round)

• # 🇦🇹 Jürgen Melzer (quarterfinals)

• # 🇸🇰 Martin Kližan (first round)

Seeds
• # 🇱🇺 Gilles Müller (first round)

• # 🇺🇸 Ryan Harrison (qualified)

• # 🇧🇪 Olivier Rochus (first round)

• # 🇨🇦 Jesse Levine (qualified)

• # 🇱🇹 Ričardas Berankis (second round)

• # Thiemo de Bakker (first round)

• # 🇺🇸 Tim Smyczek (first round)

• # 🇷🇺 Alex Bogomolov Jr. (second round)

Qualifiers
• # 🇺🇸 Denis Kudla

• # 🇺🇸 Ryan Harrison

• # 🇦🇺 John Millman

• # 🇨🇦 Jesse Levine

Lucky losers

 * 1) 🇷🇺 Igor Kunitsyn