2007 Movistar Open – Singles

José Acasuso was the defending champion, but chose not to participate this year.

Luis Horna won the title, defeating Nicolás Massú in the final, 7–5, 6–3.

Seeds
Fernando González (quarterfinals) 🇦🇷 Gastón Gaudio (round robin, withdrew because of a left thigh injury) Nicolás Massú (final) 🇪🇸 Rubén Ramírez Hidalgo (round robin) 🇵🇪 Luis Horna (champion) 🇦🇷 Sergio Roitman (quarterfinals, retired because of an abductor injury) 🇪🇸 Albert Montañés (semifinals) 🇦🇷 Martín Vassallo Argüello (semifinals)

Seeds
🇪🇸 Albert Portas (qualified) 🇪🇸 Óscar Hernández (qualified) 🇧🇷 Flávio Saretta (first round) 🇦🇷 Juan Pablo Guzmán (qualified) 🇧🇷 André Sá (first round) 🇦🇷 Diego Junqueira (qualifying competition, lucky loser)

Qualifiers
• # 🇪🇸 Albert Portas

• # 🇪🇸 Óscar Hernández

• # 🇦🇷 Juan Pablo Guzmán

Lucky loser

 * 1) 🇦🇷 Diego Junqueira