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。

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And when Stanislas equalised to send the tie into extra-time, the crowd finally spilled over the advertising hoardings and on to the playing surface.

BBC: West Ham 3-1 Millwall (aet)