In heavy Monte Carlo rain, and after a heavy tackle, the Ferrari driver was observed 'screaming' at a member of Prince Albert's 'World Stars' team.
Schumacher, 36 - who scored a goal but ultimately lost the game (2-4) - is captain of the drivers' 'Nazionale Piloti' squad.
After the game at Stade Louis II, the German - with quiet reference to Bridgestone's superior wet weather tyre - joked: "If we have one percent of today's rain on Sunday, I will be very pleased."
Proceeds of the game will go to children's charity.