Bayern Munich are now level on points with Borussia Dortmund, but Niko Kovac says he is not interested in his side's title rivals.
No foreign player has scored more goals in the history of the Bundesliga than Robert Lewandowski after his double on Saturday.
Robert Lewandowski scored twice as Bayern Munich made light work of Borussia Monchengladbach.
Marco Reus is up to 11 Bundesliga goals this season, much to the delight of Borussia Dortmund coach Lucien Favre.
Goals from teenage sensation Jadon Sancho and Marco Reus earned Borussia Dortmund a 2-1 win over second-place Borussia Monchengladbach.
Alexandre Lacazette and Benjamin Mendy have each pulled out of the France squad for this month's international matches.
Thorgan Hazard, Ondrej Duda, Alassane Plea, Timo Werner, Max Kruse and Borussia Dortmund forward Marco Reus are nominated for September.
In a stinging attack, Lothar Matthaus has slammed the attitude of Bayern Munich players including James Rodriguez and Robert Lewandowski.
Niko Kovac is under pressure to turn around Bayern Munich's form, but president Uli Hoeness has vowed to stick by the coach.
Bayern Munich's winless run stretched to four games after the loss to Borussia Monchengladbach, leaving Niko Kovac feeling under pressure.