Havertz fended off a glorious chance to put Chelsea back in front and the hosts finally regained their lead when the excellent James fired past Hugo Lloris from a pass from Sterling.
Tuchel’s mood darkened, however, as Kane snatched a draw with his 42nd goal in the London derbies – one behind former Arsenal striker Thierry Henry’s record.
Tuchel and Conte lost their minds after an aggressive handshake and had to be separated by their technical staff.
Chelsea and Tottenham, who finished third and fourth respectively last season, both have four points from two games.
“I thought when we shook hands you looked into each other’s eyes; he had a different opinion. It wasn’t necessary but a lot of things weren’t necessary,” Tuchel said. “We dominated for 90 minutes. We were sharp, we were hungry, it was a top performance. I’m sorry for all my players that we didn’t get the result we deserved.
Tottenham arrived full of confidence but were second best for most of the game after giving Koulibaly freedom from the penalty area to fly superbly past Lloris.
Conte’s side couldn’t break through and Chelsea were quicker and more accurate, with Mason Mount and Ruben Loftus-Cheek both close to scoring before half-time.
It was a similar story after the break. Loftus-Cheek looked set to score after a blistering run through the area, seconds before Sterling missed a keeper.
Kane squandered Tottenham’s best chance with a rare counterattack, but Tottenham equalized when Chelsea’s Jorginho lost the ball in the box and Hojbjerg drilled a shot inside the post. It looked like Tuchel would have the last laugh when Chelsea cut through the Tottenham defense and James beat Lloris – but it was Tottenham who came home happier thanks to Kane.
“Stamford Bridge hasn’t been our best place over the years so to come away with a point, especially at the end, was a good feeling,” Kane said. “It’s disappointing to see the red cards. Obviously it was an emotional match, the London derby, the passion on both sides, both teams wanted to win.
Meanwhile, Steve Cooper was delighted to see his Nottingham Forest side rise to the occasion and win their first Premier League home game since relegation in 1999 by beating West Ham United 1-0 on Sunday.
“You could feel, probably since we were promoted, that everyone was waiting for the first game at home. We knew it was a very important day,” Cooper said.
“There were two things today. There was the occasion and the football match. We had to deal with both.”
Taiwo Awoniyi scored on his home debut with a first-half strike as goalkeeper Dean Henderson saved a penalty from West Ham’s Declan Rice to ensure Forest walked away with all three points in their opener at home in the Premier League in more than two decades.
Cooper, 42, took over at Forest when they were bottom of the second tier Championship and took them to the play-off final, where they beat Huddersfield Town to end a 23-year wait for the high level soccer.
“In terms of the game, I was so happy with our attitude and our confidence in the first half, the atmosphere was still amazing but it just lifted it even higher,” Cooper said. “We deserved to win the game and it was important that we did.”
Forest were English champions in 1978 under Brian Clough and won the European Cup in 1979 and 1980, but had struggled to exit the Championship since relegation in 1999.
Cooper, who transformed his campaign last season, dedicated the win to Forest supporters – especially those who missed out.
“There were three generations of supporters here today,” he said. “Someone who could remember the really good old days; a new generation for whom it was the first Premier League match they saw; and those in between.
Stream every UEFA Champions League match ad-free, live and exclusively on Stan Sport. Return on Wednesday, September 7.