Spain will face Portugal at Sochi's 45,000-seater Fisht Stadium on Friday. The game will kick off at 9 p.m. Moscow time (18:00 GMT).

Spain, who won the World Cup in 2010, and Portugal, who won UEFA EURO 2016, have been drawn in Group B along with Iran and Morocco.

Russia's first-ever FIFA World Cup starts on Thursday and will last until July 15.