During the tenth minute of the first half in the Japan vs Tunisia match, Japanese defender Takehiro Tomiyasu’s powerful shot appeared to cross the goal line after deflecting off a Tunisian player. However, goal-line technology confirmed that the ball had not fully crossed the line, missing by just one millimeter, leading to the goal being disallowed.

The incident prompted widespread discussion among viewers who found the decision confusing. According to football’s laws, a goal is valid only when the entire ball crosses the goal line. Analysts and former players noted that goal-line technology and the Video Assistant Referee (VAR) system provide more precise judgments than the human eye, even when television angles suggest otherwise.

Experts emphasized that while such decisions may stir emotional debate, the technology ensures fairness by measuring the ball’s position with millimeter accuracy. The event, though not affecting Japan’s eventual 4–0 victory, reignited attention on the precision of football’s modern technologies and their role in maintaining rule integrity.