2009 Credicard Citi MasterCard Tennis Cup – Singles

Brian Dabul was the defending champion, but he chose to not participate this year.

Horacio Zeballos defeated Thiago Alves 6–7(4), 6–4, 6–3 in the final.

Seeds
• # 🇧🇷 Thiago Alves (final)

• # 🇦🇷 Horacio Zeballos (champion)

• # 🇦🇷 Juan Ignacio Chela (semifinals)

• # 🇲🇽 Santiago González (second round)

• # 🇧🇷 Ricardo Hocevar (second round)

• # 🇦🇷 Eduardo Schwank (first round)

• # 🇬🇧 Joshua Goodall (second round)

• # 🇧🇷 João Souza (second round)