Spain made sure of top spot in Group F with a comfortable 4-1 victory in the Gimnasio Nilson Nelsen in Brasilia on Tuesday afternoon.
The current world champions were on form from the off and took the lead in the fourth minute when Alvaro capitalised on a defensive error. From then on Spain appeared to be determined to play keep-ball, limiting Paraguay to a handful of opportunities, but also creating few of their own.
Two minutes after the restart it was effectively game over when Fernando scored. Fabio Alcaraz's 34th minute penalty offered Paraguay some brief hope, but this was soon extinguished when Fernandao completed a second half hat-trick with goals in the 37th and 38th minutes respectively.
Spain now meet Italy in the semi-finals, just as they did in continental competition last year and at the FIFA Futsal World Cup in 2004.