Veteran photographer Pedro Mendes is covering this year's Portugal Open for TENNIS.com. Each day throughout the tournament, we'll publish a photo gallery of his exclusive on-site images. You can view them all here.
Portuguese veteran Frederico Gil went the distance in a two-hour and 50-minute decision.
Daniel Munoz De La Nava plays the two-hander from deep in the court.
Nastassja Burnett didn't miss much, permitting only two games in the first round.
Portuguese wild card Inês Murta was overwhelmed by Burnett.
Portugal's Vasco Mensurado steps into the forehand drive.
Jordi Samper-Montana maintains balance while creating skid marks.
Kiki Bertens on the attack against Claire Feuerstein.
Feuerstein was often forced to counter off her back foot in a 6-2, 6-2 defeat.
Russia's Valeria Solovyeva flicks a stretched reply.
No. 2 seed Mona Barthel was sharp in a 6-1, 6-1 victory in her opener.
Roberto Carballes Baena won 12 of the final 14 games to advance.
João Domingues looks ready for launch.