Spain defeated Portugal 1-0 on Monday in a Round of 16 match at Dallas Stadium in Texas [1].

The victory secures Spain a place in the quarter-finals and marks the end of the tournament for Portuguese legend Cristiano Ronaldo.

Spain entered the match unbeaten and had not conceded a goal during the group stage [5]. Portugal advanced to the knockout round following a dramatic victory over Croatia [5]. The match remained scoreless until the final moments of the game.

Mikel Merino scored the deciding goal during stoppage time to give Spain the 1-0 win [2]. The result eliminated Portugal from the competition and concluded the World Cup journey for Ronaldo, who is 41 years old [3].

The contest featured a high-profile clash between the veteran Ronaldo and Spain's Lamine Yamal, who is 18 years old [4]. Yamal's presence highlighted a generational shift in the sport as Spain continued its disciplined run through the tournament.

Both teams fought for control of the midfield throughout the match, but Spain's defense held firm. The victory keeps Spain's hopes alive for the title as they move into the final eight teams of the tournament [1].

Spain defeated Portugal 1-0 on Monday in a Round of 16 match at Dallas Stadium in Texas

Spain's advancement reinforces their status as a tournament favorite due to their defensive record and the emergence of young talent like Lamine Yamal. For Portugal, the exit marks a symbolic end to the era of Cristiano Ronaldo on the world stage, as the 41-year-old veteran departs the tournament without a victory in the knockout stage.