Tottenham drew 1-1 with Eintracht Frankfurt in London last week.
But on Thursday night, the London team won 1-0 in Germany and advanced to the semi-finals of the Europa League.
Dominic Solanke scored the winning goal from the penalty spot in the 43rd minute.
In the semi-finals, the English Premier League team faces the winner of the Lazio – Bodo/Glimt match.
