2009 Davidoff Swiss Indoors – Singles

Novak Djokovic defeated the defending champion Roger Federer in the final, 6–4, 4–6, 6–2. He saved three match points en route to the title, in the semifinals against Radek Štěpánek.

Seeds
• # Roger Federer (final)

• # 🇷🇸 Novak Djokovic (champion)

• # Fernando González (first round)

• # Marin Čilić (quarterfinals)

• # 🇨🇿 Radek Štěpánek (semifinals)

• # Stanislas Wawrinka (quarterfinals)

• # 🇺🇸 James Blake (first round)

• # 🇩🇪 Philipp Kohlschreiber (first round)

Seeds
• # 🇰🇿 Evgeny Korolev (qualified)

• # 🇧🇪 Olivier Rochus (qualified)

• # 🇫🇷 Florent Serra (qualifying competition, lucky loser)

• # Fred Gil (first round)

• # 🇦🇺 Peter Luczak (qualified)

• # 🇩🇪 Nicolas Kiefer (first round)

• # 🇨🇿 Jan Hájek (qualifying competition)

• # 🇩🇪 Michael Berrer (qualifying competition)

Qualifiers
• # 🇰🇿 Evgeny Korolev

• # 🇧🇪 Olivier Rochus

• # 🇦🇺 Peter Luczak

• # Michael Lammer

Lucky losers
• # 🇫🇷 Florent Serra