The Spaniards had no room for error.
They did the job by disposing of Switzerland (0-1) this Thursday, in Geneva, during the third day of the League of Nations (League A, group 2).
And this thanks to a goal from the Parisian Pablo Sarabia in the first period.
Held in check during its first two outings, La Roja is back in second position in the classification of this group.
Third defeat in three matches for Switzerland, last with a scoreless scorecard.
To discover
League of Nations: group draw ... which opponents for the Blues?
Nations League: schedule and results
At the same time, Portugal filled up against the Czech Republic (2-0) thanks to goals from Joao Cancelo and former Parisian Gonçalo Guedes, in Lisbon.
A success that puts Cristiano Ronaldo and company at the top of the group.
To follow on Friday, group 1, that of France, traveling to Austria (8:45 p.m.).