A Harry Kane penalty in the first half - awarded after VAR was called into use - proved the major talking point of the game. The Spurs striker was brought down by Chelsea goalkeeper Kepa Arrizabalaga who was shown the yellow card,
The Chelsea defenders had looked across the line to see the assistant referee had his flag up assuming the penalty shout was a non-starter. But referee Michael Oliver sent the incident to VAR and the spot kick was awarded.
However after the game, frustrated Chelsea boss Maurizio Sarri said that Kane WAS offside and he could prove it with a different camera angle.
Sarri referenced Chelsea's own footage from a different alternative angle, which appears to show Kane in an offside decision moments before the penalty call.
"A few minutes ago I watched the video from our camera," said Sarri. "It was offside. Our camera was in line with Harry Kane.
"Offside with his head, the knee. Offside. It was really important the linesman carried on running, he had a big impact on our defenders.
"I don't think English referees are able to use the system. If you are not sure with the system, you have to follow the ball and at the end of the action decide.
"But he stopped and didn't follow the ball - for our defenders it was offside. It's very strange in the Premier League there isn't VAR and in Carabao Cup there is the system."
Was Kane offside or not?
Chelsea boss Maurizio Sarri says VAR got it wrong - and believes he has the different angle to prove it:
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