Seventh-seeded Albert Montanes moved into the second round of the Estoril Open with a 6-2, 6-3 win Tuesday over Matthew Ebden of Australia.
The 69th-ranked Spaniard won despite squandering eight break points.
Eighth-seeded Flavio Cipolla of Italy ousted Argentine Diego Junqueira 6-1 6-4.
Top-seeded Juan del Potro, defending his title on clay in Portugal, has a first-round bye.
Second-seeded Maria Kirilenko advanced in the women's event, overcoming Elena Baltacha 7-6 (6), 6-1. Third-seeded Anabel Medina Garrigues defeated qualifier Kristina Barrois 6-4. 6-1.