2009 Cyclus Open de Tênis – Singles

Nicolás Massú was the defending champion, but he chose to not compete this year.

Guillaume Rufin won this tournament, after beating Pere Riba 6–4, 3–6, 6–3 in the final.

Seeds
• # 🇧🇷 Marcos Daniel (first round)

• # 🇪🇸 Daniel Gimeno-Traver (second round)

• # Blaž Kavčič (quarterfinals)

• # 🇧🇷 Thiago Alves (first round)

• # 🇪🇸 Pere Riba (final)

• # 🇦🇷 Diego Junqueira (quarterfinals)

• # 🇦🇷 Juan-Martín Aranguren (second round)

• # 🇦🇷 Gastón Gaudio (semifinals)