Tuchel, who took over from sacked Julian Nagelsmann in late March, has now seen his team crash out of two competitions in two weeks after they were also knocked out of the German Cup by Freiburg in the last eight.
With the match being broadcast to 200 territories globally, all eyes will be on the former Paris St Germain and Chelsea coach who took over after Julian Nagelsmann's shock sacking days after Bayern's 2-1 loss at Bayer Leverkusen on March 19.
On-field referee Anthony Taylor failed to spot Cristian Romero's hair pull on Marc Cucurella, with Dean this week admitting that he should have asked Taylor to visit the referee review area and check for a possible red card offence.
Thomas Tuchel, Pep Guardiola and Jurgen Klopp are in charge of three of Europe's hottest sides, with Liverpool, in third place, already seven points clear of fourth-placed West Ham.
Manchester City can win a third Premier League title in four years if they beat Chelsea on Saturday.
Everton wants to name the successor of Ronald Koeman and began searching for a new coach.
Bayern Munich will face Hertha Berlin on Sunday in the seventh round of the Bundesliga in the majestic Olympic Stadium in Berlin with Willy Sagnol sitting.
It is reported that the former coach of Borussia Dortmund, Thomas Tuchel, is the one who likes Hoeness as a replacement for Ancelotti.