Isco scored a brace in the comprehensive win, and Ramos has paid tribute to his Real Madrid teammate, while Marco Asensio was also hailed after the 21-year-old impressed on his first start for the national team.
"Isco and Asensio? I'm happy for my Madrid youngsters. They're doing very well and that's important and very good for the national team, who are thriving on them," Ramos told reporters. "I give Spain a nine for this match. Things can always be improved, but we had a great game."
Next up for Julen Lopetegui's Spain is a trip to Liechtenstein on Tuesday night.