Tuchel has looked to get more out of offseason signing Timo Werner by deploying him as an inside forward, positioned on the left and just off the main striker.
Despite guiding Paris Saint-Germain to their first Champions League final in August, Tuchel was sacked by the French champions last month.
The club is currently at the ninth spot in Premier League 2020-21 standings with 29 points from 19 matches. The side will next take on Wolves on Wednesday.
Chelsea has lost five of its last eight Premier League games and dropped to ninth place, despite Lampard benefiting from nearly $300 million spent on new players for this season.
Chelsea, which spent nearly $300 million on new players ahead of this season, dropped to eighth place and Lampard acknowledged he is under pressure to keep his job.
Lampard has tinkered with his team repeatedly in a bid to find a winning formula and he knows it is hard to keep all his players happy.
After being hit by injury last season, Kante had stayed fit until now, but he joins Reece James and Andreas Christensen on the injured list.
Chelsea slipped to eighth place after lkay Gündogan, Phil Foden and Kevin De Bruyne scored in a 16-minute first-half spell at a chilly Stamford Bridge on Sunday.
After bankrolling the purchases of Kai Havertz, Timo Werner, Hakim Ziyech, Ben Chilwell and Edouard Mendy, Abramovich will have expected more.
After losing two back to back Premier League games, Chelsea produced a solid comeback, defeating West Ham 3-0 here on Tuesday.
Chelsea secured a 3-0 win against West Ham in the Premier League on Tuesday but the only blot was an injury to Chilwell early on.
Chelsea manager Frank Lampard remodeled his attack as part of an offseason spending spree, but Timo Werner is now without a goal in eight games.
Under the UK government guidelines, fans are not allowed to attend games in Tier 3 while those in Tier 1 and Tier 2 can welcome 4,000 and 2,000 spectators respectively.
Chelsea suffered a 1-0 defeat at the hands of Everton in the Premier League on Sunday.
Giroud was on target again when he turned in Reece James' cross to cancel out Leeds' fourth-minute opener by Patrick Bamford - a former Chelsea player.