An emphatic second-half display from Spain saw them thump neighbours Andorra 5-0 at the Estadio Nuevo Vivero.
A debut goal from Ayoze Perez was accompanied by a hat-trick from Mikel Oyarzabal before Ferran Torres wrapped up the win with a fifth.
Spain boss Luis de la Fuente is leading his country into a major tournement for the first time this summer and they are seen as one of the quiet favourites.
With plenty of experience and exciting young players, Spain have a good mix capable of hurting most sides.
However, they will have to navigate a tough group first facing Italy, Croatia and Albania.