2009 Interwetten Austrian Open Kitzbühel – Singles

Juan Martín del Potro was the defending champion, but chose not to participate that year.

Seeds
• # 🇷🇺 Nikolay Davydenko (withdrew)

• # 🇦🇹 Jürgen Melzer (quarterfinals)

• # 🇷🇴 Victor Hănescu (quarterfinals)

• # 🇫🇷 Fabrice Santoro (first round)

• # 🇦🇷 Martín Vassallo Argüello (second round)

• # 🇫🇷 Marc Gicquel (first round)

• # 🇷🇺 Mikhail Youzhny (semifinals)

• # 🇮🇱 Dudi Sela (first round)