2005 BCR Open Romania – Singles

José Acasuso was the defending champion, but lost in the second round to Rubén Ramírez Hidalgo.

Florent Serra won the title by defeating Igor Andreev 6–3, 6–4 in the final.

Seeds
• # 🇦🇷 Mariano Puerta (quarterfinals)

• # 🇮🇹 Filippo Volandri (second round)

• # 🇷🇴 Andrei Pavel (semifinals)

• # 🇷🇴 Victor Hănescu (semifinals)

• # 🇫🇷 Gaël Monfils (first round)

• # 🇦🇷 José Acasuso (second round)

• # 🇫🇷 Paul-Henri Mathieu (quarterfinals)

• # 🇪🇸 Fernando Verdasco (second round)