2013 Erste Bank Open – Singles

Juan Martín del Potro was the defending champion but decided not to compete. Tommy Haas won the title, defeating Robin Haase in the final, 6–3, 4–6, 6–4.

Seeds
The first four seeds received a bye into the second round. • # 🇫🇷 Jo-Wilfried Tsonga (semifinals)

• # 🇩🇪 Tommy Haas (champion)

• # 🇮🇹 Fabio Fognini (quarterfinals)

• # 🇩🇪 Philipp Kohlschreiber (second round)

• # 🇨🇿 Radek Štěpánek (quarterfinals)

• # 🇫🇷 Gaël Monfils (first round)

• # 🇨🇦 Vasek Pospisil (second round)

• # 🇨🇿 Lukáš Rosol (semifinals)

Seeds
The first three seeds received a bye into the second round. • # 🇺🇸 Ryan Harrison (second round)

• # 🇷🇴 Adrian Ungur (qualifying competition)

• # 🇧🇪 Ruben Bemelmans (qualified)

• # 🇧🇦 Mirza Bašić (qualified)

• # 🇨🇿 Jaroslav Pospíšil (qualifying competition, lucky loser)

• # 🇭🇺 Márton Fucsovics (qualifying competition)

• # 🇸🇰 Miloslav Mečíř Jr. (qualified)

• # 🇷🇸 Ilija Bozoljac (qualified)

Qualifiers
• # 🇸🇰 Miloslav Mečíř Jr.

• # 🇷🇸 Ilija Bozoljac

• # 🇧🇪 Ruben Bemelmans

• # 🇧🇦 Mirza Bašić

Lucky losers

 * 1) 🇨🇿 Jaroslav Pospíšil