Belgium striker Romelu Lukaku had a goal ruled out by sound technology during his side's Euro 2024 clash against Slovakia.
Technology that detects sound frequencies was used, with Belgium's Lois Openda adjudged to have handled the ball before crossing to find Lukaku.
With Slovakia leading 1-0 through an early goal from Ivan Schranz, Lukaku thought he had equalised for Belgium in the second half.
However, his effort didn't count. with Slovakia taking all three points.
Referee Umut Meler consulted VAR as he assessed the incident.
Lukaku had previously had a goal ruled out earlier in the game.
Romelu Lukaku's goal for Belgium against Slovakia was ruled out by sound technology
Referee Umut Meler consulted VAR, with sound frequencies being detected for the incident
Before the tournament, it was announced that football's equivalent of a snickometer would be used during Euro 2024.
The technology, which is used in cricket, detects sound frequencies and helps to determine whether two objects have come into contact with one another.
The technology detects sound frequencies and helps to determine whether two objects have come into contact with one another
Lukaku's team-mate Lois Openda, who sent in the cross, was deemed to have handled the ball
It was first introduced to cricket in the 1990s where the viewer can analyse the sound and video of a replay in order to determine whether the ball has struck the bat.
Belgium will take on Romania and Ukraine in their remaining two group stage fixtures.