2008 Austrian Open – Singles

Juan Mónaco was the defending champion, but chose not to participate that year.

Juan Martín del Potro won in the final 6–2, 6–1, against Jürgen Melzer.

Seeds
• # 🇮🇹 Andreas Seppi (withdrew due to a leg injury)

• # 🇩🇪 Rainer Schüttler (quarterfinals)

• # 🇦🇷 Agustín Calleri (first round)

• # 🇮🇹 Potito Starace (semifinals)

• # 🇦🇷 Eduardo Schwank (quarterfinals)

• # 🇦🇹 Jürgen Melzer (final)

• # 🇦🇷 Juan Martín del Potro (champion)

• # 🇧🇪 Olivier Rochus (first round)