In the knockout stage, if a game is tied at end of 90 minutes, it goes into extra time, 30 more minutes of playing time.

在淘汰赛阶段，如果比赛到90分钟结束时平局，就进入再30分钟延长赛。

youdao

If no goals are scored or the teams are tied at the end of regular play, the game can be decided by a kick from the penalty spot or extra playing time.

如果在规定时间内双方都没有进球或者双方打平，可以通过罚点球或者打加时赛来决定胜负。

youdao