Both Ronaldo and Vargas have scored four goals each against Spain across all competitions, a notable achievement given Spain's strong defense over the past two decades. This rare feat showcases the challenge that both players have posed to the Spanish team.

Notably, Vargas has also made a lasting impact against Spain, particularly during Chile's golden era when they competed against top European teams. His contributions to his country's success are a testament to his skill and determination.

Ronaldo and Vargas are two examples of players who have successfully navigated the challenges of playing against Spain's strong defense. Their achievements serve as a reminder of the talent and skill required to succeed against top-level opponents.

In conclusion, Ronaldo's match against Spain has cemented his reputation as one of the country's toughest opponents, joining Vargas in a rare and impressive feat.