Chelsea will face Spurs for the third time in January after beating them twice in the two legs of the Carabao Cup semi-final.
Tottenham Hotspur boss Antonio Conte was impressed with his team's performance in the thrilling 3-2 Premier League win against Leicester City.
Steven Bergwijn came off the bench to score an injury-time brace as Tottenham Hotspur defeated Leicester City 3-2 in the Premier League fixture.
The Gunners claimed they requested a postponement "reluctantly" and were "disappointed" that the game had to be called off.
The Blues completed the formality in north London, bagging a 1-0 win to set up a final date with one of Liverpool or Arsenal.
Chelsea beat Tottenham Hotspur 3-0 on aggregate to go through to the Carabao Cup final.
The Blues lead the tie 2-0 after Kai Havertz’s early strike and an own goal by Ben Davies gave Chelsea FC the victory in the first match.
The duo tested positive last week and missed the 2-0 first-leg victory over Spurs as well as the FA Cup win over Chesterfield.
With more injuries and positive Covid tests in his squad, Tuchel had to make six changes to his team from the side which drew with Liverpool at the weekend.
He was playing on the right side of midfield in the first half and was pushed slightly further upfield in a front three after the break.