Nacho has admitted that he is relishing the prospect of potentially being tasked with stopping Real Madrid teammate Cristiano Ronaldo when Spain take on Portugal in the World Cup next week.
Arguably the pick of the opening-round fixtures comes in Sochi on Friday evening as the Iberian rivals face off with Group B points on the line.
Nacho highlighted his versatility in Spain's friendly win against Tunisia on Saturday by filling in on the left flank, and he now hopes to be handed a starting spot for La Roja's massive showdown with Portugal in five days' time.
"I hope that I have the chance to play against Cristiano Ronaldo, we must be focused on cancelling him out," he told reporters. "The coach knows that I'm qualified to start in this position, I'm prepared.
"Everyone knows that I feel more comfortable in the centre than at full back, but I've played big matches there."
Spain also face Iran and Morocco, on June 20 and June 25 respectively, for a place in the last 16.
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Netherlands
Senegal
Ecuador
Qatar
England
USA
Iran
Wales
Argentina
Poland
Mexico
Saudi Arabia
France
Australia
Tunisia
Denmark
Japan
Spain
Germany
Costa Rica
Morocco
Croatia
Belgium
Canada
Brazil
Switzerland
Cameroon
Serbia
Portugal
South Korea
Uruguay
Ghana