Spain and France both possess 100% records so far in World Cup qualifying heading into the match at the Vicente Calderon.
Del Bosque told reporters that he can understand the importance being placed on the Madrid showdown and has prepared his side accordingly.
He said: "Yes we want to take a step closer to qualification. It seems that one of the two countries will qualify in top spot and so it becomes a knockout cup tie.
"When we finish this match there will still be a lot to play for but it seems these two matches against the French are vital in this group."