Eric Dier's awkward foul on Timo Werner gave the guests a brilliant chance to start to lead the pack and Jorginho committed no error with the subsequent punishment, arrowing his strike low and hard to Hugo Lloris directly in the 24th moment.
Spikes attempted to make much else across the hour and a half yet Serge Aurier put the ball on a plate for Carlos Vinicius directly at the passing, who rose well however sent his header wide.
It was a rushed opening period at the Tottenham Hotspur Stadium as Werner circled a header over before Eduoard Mendy denied Son Heung-min with a keen save.
Tottenham's most obvious opportunity with regards to the main half tumbled to Aurier in the withering minutes yet the Ivorian headed wide and Jose Mourinho's men attempted to make much else in what was a dull presentation.
Spikes skipper Lloris was at the core of the activity again in the 67th moment as he extended well to prod the ball away from an onrushing Christian Pulisic.
The Frenchman at that point saw Mateo Kovacic fire wide of his correct post after a scything go through a static Tottenham protection.
Carlos Vinícius and Eric Dier both lightened late opportunites to level and Chelsea clutched secure triumph, which means Tuchel is as yet unbeaten since supplanting Frank Lampard.
Tottenham, in the interim, endured their third consecutive misfortune in the Premier League for first time since 2012. Mourinho had never recently lost consecutive home matches as administrator in the English first class.
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