According to the technology inside the match ball, Portugal's opening goal was not scored by the talismanic player.
The goal that gave Portugal the lead was awarded to Bruno Fernandes, despite the fact thatRonaldo claimed he had touched the ball with his head.
The Manchester United player told reporters afterwards that he thought the goal was scored by the Portuguese player.
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The sensor inside the ball proved that the 37-year-old didn't touch the cross.
The Connected Ball Technology housed in adidas's Al Rihla Official Match Ball was used to show no contact between the ball and the player.
There was no external force on the ball that could be measured.
The ball has a 500hertz IMU sensor that allows for a high level of accuracy.
The ninth World Cup goal would have tied Eusebio for Portugal.
After the game, he said he thought his former teammate had touched him.
"I felt that he touched the ball," he said. He was receiving the ball. We are going through to the next round after playing a very strong opponent.
The manager laughed off the question when he was asked.
He only said it was a great match. Our team played well and I don't care about the rest.
The reporters didn't hear anything from the player after the match.
Portugal are through to the last 16 but need a point against South Korea on Friday to be declared Group H winners.