Seeds • Rankings are as of February 11, 2013.
Other entrants The following players received wildcards into the singles main draw: •
Federico Delbonis •
Diego Schwartzman •
Agustín Velotti The following players received entry from the qualifying draw: •
Facundo Argüello •
Gastão Elias •
Dušan Lajović •
Julian Reister The following player received entry as lucky loser: •
Marco Trungelliti Withdrawals ;Before the tournament •
Jan Hájek •
Blaž Kavčič •
Rubén Ramírez Hidalgo (right ankle injury) •
Guillaume Rufin •
Adrian Ungur Retirements •
Facundo Argüello (abdominal injury) == Doubles main draw entrants ==