Top-seeded Roberta Vinci advanced to the second round at the $220,000 Monterrey Open on Monday.

The Italian defeated American Coco Vandeweghe in 7-5, 7-5 fashion on the hardcourts at Sierra Madre Tennis Club.

In other opening round action, second-seeded Italian Sara Errani made quick work of Stephanie Dubois, besting the Canadian 6-2, 6-2.

Additional Day-1 wins came for Russian Nina Bratchikova and Romanian Alexandra Cadantu.

Russia's Anastasia Pavlyuchenkova, who is not defending her title this week, defeated former world No. 1 Jelena Jankovic in last year's Monterrey finale.

This week's big winner will claim $37,000.