VINA DEL MAR, Chile, Feb. 2 (UPI) -- Fifth-seeded Argentine Juan Monaco and Argentine wild card Juan Ignacio Chela were among Monday's first-round winners at Movistar Open in Vina del Mar, Chile.
Monaco defeated France's Nicolas Devilder 6-2, 6-4 and Chela posted a 6-0, 3-6, 6-1 victory over Spaniard Pablo Andujar.
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Monaco, 24, reached the final here last year, but pulled out of the title match against Chilean Fernando Gonzalez because of an ankle injury.
In opening-round play, Vassallo Arguello beat eighth-seeded Spaniard Oscar Hernandez 6-3, 7-6 (7-1); Daniel Gimeno-Traver beat Spaniard Alberto Martin, who retired in the third set with cramping, 6-3, 6-7 (2-7), 6-6; and Italian Potito Starace beat Brazilian Marcos Daniel 6-4, 6-4.