QUITO, Ecuador -- Pablo Carreno Busta of Spain defeated Brazil's Rogerio Dutra Silva 6-3, 6-1 on Monday to reach the second round of the Ecuador Open.
No. 8 Carreno Busta was the only seeded player in action Monday.
Bernard Tomic of Australia is the top-seeded player at the tournament, followed by Feliciano Lopez of Spain.
The Quito event kicks off the Latin American clay-court season. Following this week's event, the tournaments shift to Buenos Aires, Rio de Janeiro and Sao Paulo. Two Latin American tournaments, Acapulco at the end of the month and Monterrey, Mexico, in early March, have been switched from clay to hard court.
The Rio Open will feature last year's champion (David Ferrer) and 2014 winner Rafael Nadal. The top woman is Eugenie Bouchard of Canada.