Mikhail Youzhny was the defending champion, but chose not to participate that year. Marin Čilić won in the final 6–4, 7–6(7–3), against Somdev Devvarman.
Mikhail Youzhny was the defending champion, but chose not to participate that year. Marin Čilić won in the final 6–4, 7–6(7–3), against Somdev Devvarman. (en)
Il singolare del Chennai Open 2009 è stato un torneo di tennis facente parte dell'ATP World Tour 2009.Michail Južnyj era il detentore del titolo, ma ha scelto di non partecipare nel 2009. Marin Čilić ha vinto in finale 6–4, 7–6(3), contro Somdev Devvarman. (it)