Flick's announcement capped a turbulent week for Bayern, who bounced back from their Champions League quarter-final exit at the hands of PSG on Tuesday.
Bundesliga: Leon Goretzka puts Bayern Munich seven points clear of RB Leipzig; Frankfurt edge Dortmund
Borussia Moenchengladbach kept their European hopes alive as they came from behind to beat Freiburg 2-1.
Bundesliga: Bayer Leverkusen continue poor form with loss against Freiburg; Union Berlin held to 1-1 draw at Hoffenheim
Having topped the Bundesliga in December, Leverkusen are now five points adrift of the Champions League places in sixth after winning just one of their last six games.
Leading scorer Luis Suárez has four yellow cards and one more would mean he would miss the next round's derby with Real Madrid.
Bundesliga: Borussia Dortmund's top-four hopes dented by Freiburg defeat; Bayer Leverkusen thrash Stuttgart
Two goals from Elvis Rexhbeçaj — early in each half — led Cologne over Borussia Mönchengladbach 2-1 in the Rhine derby.
Bundesliga: Wolfsburg beat Freiburg to rise to third in table; Marius Wolf's brace helps Cologne win
Wolfsburg climbed above Bayer Leverkusen, Borussia Dortmund and Eintracht Frankfurt to move firmly into contention for Champions League qualification.
Bayern Munich’s closest challengers, RB Leipzig and Bayer Leverkusen, both lost in the Bundesliga on Saturday to give the eight-time defending champions a chance to move seven points clear at the top.
Bundesliga: Robert Lewandowski’s penalty helps Bayern Munich consolidate lead; Arminia Bielefeld beat Stuttgart
Bayern Munich stayed four points clear of Leipzig, who earned a hard-fought 1-0 victory over Union Berlin thanks to Emil Forsberg’s 70th-minute strike.
Bundesliga: Robert Lewandowski breaks Gerd Mueller's record, Luka Jovic hits double on return from Real Madrid
Lewandowski's early strike was cancelled out by a Nils Petersen equaliser before Thomas Mueller grabbed Bayern's late winner having earlier set up his team-mate's record-breaking goal.
Four Wolfsburg players missed out after positive coronavirus tests. Three more were in isolation because of close contact with their infected teammates. Coach Oliver Glasner named three reserve goalkeepers among his seven substitutes, with two of the keepers dressed as outfield players.
Lewandowski, who played for Dortmund between 2010 and 2014, took his tally to 17 goals in 13 games against his former club. He also clocked up his 11th goal in just six Bundesliga appearances for Bayern so far this season.
Bundesliga: Lucas Alario's brace helps Bayer Leverkusen beat Freiburg; Hertha Berlin salvage point on Matteo Guendouzi debut
Guendouzi replaced fellow Frenchman Lucas Tousart just before the hour mark and was booked for dissent in stoppage time in his first competitive appearance since June.
Bundesliga: Robert Lewandowski breaks goalscoring record; Erling Haaland brace helps Dortmund secure second place
It means Dortmund are assured of second place with one game of the season remaining. Despite defeat, Leipzig are virtually assured of Champions League football next season.
Bundesliga: Borussia Mönchengladbach’s Champions League qualification hopes hit after defeat against Freiburg
Borussia Mönchengladbach’s Champions League qualification hopes were hit by losing at Freiburg 1-0 in the Bundesliga on Friday.
Kai Havertz scored his fifth goal since the Bundesliga restart to lift Bayer Leverkusen to a 1-0 win over Freiburg.
Bundesliga talking points: From Bayern Munich's eight-game winning run to Kai Havertz's goal-scoring form
Quick, smart and highly-skilled, Havertz scored twice for the second consecutive game on Sunday as top European clubs are closing in.
Bundesliga: Empty stadium, silence greets players as Bundesliga becomes first major football league to resume amid COVID-19
From social distancing substitutes using airport stairs, to disinfected balls and a potential television audience of one billion, the Bundesliga enjoyed a chequered restart as the first major sports league to resume amid the COVID-19 pandemic.
Bundesliga returns with fist-bump celebrations and masks as Borussia Dortmund slam four past Schalke
Borussia Dortmund provided much-needed fireworks with a 4-0 demolition of bitter rivals Schalke after Bundesliga restarted in front of empty stands after a suspension of over two months
Bundesliga: Resurgent Cologne put four past Freiburg; Daniel Ginczek brace sees Wolfsburg beat Paderborn
Wolfsburg rose two spots to ninth after beating last-place Paderborn 4-2 with two goals from Daniel Ginczek
Bundesliga: Stoppage time goals help Bayern Munich seal 3-1 win over Freiburg; Borussia Moenchengladbach beat Paderborn
Bayern Munich’s Joshua Zirkzee and Serge Gnabry scored stoppage-time goals to give the Bundesliga champions a 3-1 win over Freiburg while Borussia Moenchengladbach joined RB Leipzig at the top of the table with a 2-0 win over Paderborn