Stanislas Wawrinka wins in Argentina
Wawrinka dominated the Italian throughout the match and closed out with a forehand down the line.
"I feel great," Wawrinka said. "I got through in two sets. I feel on a good level for the first (match)."
Wawrinka has been studying Spanish and was asked to test out his progress.
Need the scores from any match played in today's tournaments? Results
"I've improved a little bit," he said in English. "Only if I make the final I will try to speak in Spanish. It's not easy. Too much pressure."
Second-seeded Nicolas Almagro of Spain also reached the second round.
Spain's Daniel Gimeno-Traver defeated Dusan Lajovic of Serbia 6-4, 7-5, Leonardo Mayer of Argentina won over Simone Bolelli of Italy 5-7, 6-2, 6-3 and Andrey Kuznetsov of Russia beat Filippo Volandri of Italy 7-6 (5), 6-3.
Copyright 2013 by The Associated Press
MORE TENNIS HEADLINES
- Oudin: Overtraining caused muscle ailment
- Serena, Azarenka to play exhibition in Thailand
- Serena is WTA player of year for 5th time
- Sharapova hires Groeneveld as new coach