2005 Davidoff Swiss Indoors – Singles

Jiří Novák was the defending champion, but lost in the second round to Paradorn Srichaphan.

Fernando González won in the final 6–7(8–10), 6–3, 7–5, 6–4, against Marcos Baghdatis.

Seeds
• # 🇦🇷 Guillermo Coria (second round)

• # 🇦🇷 David Nalbandian (semifinals)

• # 🇪🇸 Juan Carlos Ferrero (second round)

• # Fernando González (champion)

• # 🇸🇰 Dominik Hrbatý (semifinals)

• # 🇬🇧 Tim Henman (first round)

• # 🇨🇿 Jiří Novák (second round)

• # 🇩🇪 Tommy Haas (second round)