The draw was not enough to see Spurs through to the next round, meaning Alli's ban will begin at the start of next season.
Dele Alli's Europa League red card tackle in pictures
Thu, February 23, 2017
Click through the gallery for the best snaps of Dele Alli's horror tackle for Tottenham against Gent
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Click for the first pictures of Dele Alli's horror tackle in the Europa League
And that could prove a massive loss to Tottenham if they qualify for the Champions League.
Were Spurs to secure top-three finsih in the Premier League this season then Alli would miss their opening three group games of the Champions League campaign.
Spurs suffered a disastrous Champions League group stage this season, finishing third to drop down into the Europa League.
They sit second in the Premier League with 10 games remaining – three points off fourth-place Liverpool.
Alli, 20, scored once for Spurs in Europe this season.
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