Spurs barely advanced to the final eight after they put together a disappointing performance at the San Siro against Inter in the second leg of their round of 16 tie.
Luckily for the North London club, they advanced to the final eight by way of an away goal.
Basel also lost their second leg in the round of 16 to Zenit St. Petersburg, but they advanced on aggregate, 2-1.
Both clubs will now look to get back on track on Thursday as they enter their two-legged quarterfinal showdown.
Here are four key battles to watch in North London on Thursday.