Polish media reported last month that Kucharski demanded 20 million euros from Lewandowski for their past business cooperation. Lewandowski denies owing him money.
Despite the heavy wins for Bayern Munich and Borussia Dortmund, RB Leipzig stayed atop the Bundesliga after beating Hertha Berlin 2-1.
Bayern drew particular criticism in the German media after club officials including chairman Karl-Heinz Rummenigge, president Herbert Hainer and board member Oliver Kahn sat together in the VIP stand.
UEFA Super Cup: Bavarian state premier Markus Soeder worried event could lead to wave of COVID-19 infections
Budapest is playing host to the Super Cup on Thursday between Champions League winners Bayern Munich and European League holders Sevilla.
Thiago agreed a "long-term contract" with the Premier League champions after deciding to end his seven-year stay with Bayern.
Bundesliga: Bayern Munich's Kingsley Coman in isolation at home after contact with coronavirus-positive person
Bayern didn't say how long the France winger would need to spend in quarantine, or whether he's available to play Schalke on Friday in the German champion's first league game of the new season.
Champions League 2020 final, Bayern vs PSG, Highlights: Bayern crowned European Champions via solitary Kingsley Coman goal
It is a mouthwatering showdown between two of Europe's super clubs, with PSG eager to cap their rise in the last decade under Qatari ownership and Bayern hoping to lift the trophy for the sixth time.
Bundesliga 2019-20, Match Highlights: Dortmund score four to brush aside Schalke; Leipzig held by Freiburg
Follow all the latest updates from the Bundesliga's first day back in action on Firstpost.com's LIVE blog!
Bundesliga: Robert Lewandowski becomes league's all-time top-10 goalscorers after scoring against Cologne
Lewandowski has now scored 21 goals in 24 games in all competitions this season, plus five more in World Cup qualifiers to help book Poland's place in Russia.
Hamburg had conceded 36 goals in their previous six away league meetings with Bayern Munich before Saturday's match.
Monaco were fortunate to reach the Champions League quarter-finals on away goals, Arsenal manager Arsene Wenger said on Tuesday after his team's 2-0 win at Louis II failed to overturn their first-leg defeat.
Thomas Mueller scored twice as Bundesliga leaders Bayern Munich came from a goal down to beat Hanover 3-1 on Saturday and stretch their advantage at the top to 11 points after VfL Wolfsburg slumped to a 1-0 loss at Augsburg.
European champions Bayern Munich led the charge into the last 16 of the Champions League when they beat Viktoria Plzen 1-0 to chalk up a record-equalling ninth straight victory in the competition on Tuesday.