The German born Chelsea boss, Thomas Tuchel is yet to lose after taking the managerial role from Frank Lampard at Stamford Bridge in January 2021.
Thomas Tuchel has setup a new record for the longest unbeaten start by a Chelsea Boss: he has played 13 straight matches without defeat to open his Blues career on Wednesday.
Chelsea defeated Atletico Madrid, the table topper of Spanish LaLiga, 2-0 in the Champions League last-16 second leg, making Chelsea reach the quarter-final with a 3-0 aggregate.
Hakim Ziyech and Emerson scored the winning Goals at Stamford Bridge as Tuchel continued his impressive games as Blues boss.
Chelsea who were struggling in January when the club sacked Frank Lampard their former boss after a season and a half under him.
Tuchel was signed after he was relieved by PSG in February, having achieved success with the Parisiens, as well as Mainz and Borussia Dortmund previously in Germany.
The 47-year-old coach transformed Chelsea in just two months in charge, winning nine games and drawing four of his first 13 games as Chelsea boss.
A change had just happened to Chelsea record-holder Luiz Felipe Scolari, who played 12 games unbeaten in 2008 to start his career at Stamford Bridge but now a history as Tuchel had played 13 games unbeaten.
Defence has been the major strength for Chelsea, they have not conceded a goal in their last six home games under Tuchel in all competitions, and have kept 11 clean sheets in 13 games under the German leadership.