Simon, Gicquel, Gabashvili, Gil, Minar among winners

OEIRAS, Portugal -- Fifth-seeded Gilles Simon defeated Roko Karanusic 7-5, 7-5 on Monday to advance to the second round of the clay-court Estoril Open.

In other first-round matches, seventh-seeded Marc Gicquel ousted Boris Pashanski 6-4, 6-3 and Teimuraz Gabashvili defeated Florian Mayer 7-5, 7-5. Fernando Gil and Ivo Minar also won.

Top-seeded Roger Federer and No. 2 seed Nikolay Davydenko play their first-round matches Tuesday.

In the women's event, third-seeded Karin Knapp beat Frederica Piedade 6-3, 6-0 and sixth-seeded Klara Zakopalova knocked out Evgeniya Rodina 7-5, 3-6, 6-1. Tsvetana Pironkova routed Canada's Stephanie Dubois 6-0, 6-1 and Sofia Arvidsson overcame Lilia Osterloh of the United States 7-5, 6-4.