France will be without captain Paul Pogba for their final group match against Spain after he received a second yellow card in two matches.
“The boys were really disappointed at the end of the game,” Mankowski said. “Playing without Pogba for the last crucial game against Spain is something we have to figure out tomorrow [Tuesday] when things will be quieter.”
In the early match in Group B, Nigeria got their campaign on track with a 3-0 win over newcomers Cuba.
Aminu Umar scored twice in four minutes and captain Abdul Ajagun got his third of the tournament as the Africans easily beat Cuba.
Nigeria opened the scoring when Olarenwaju Kayodefed fed Umar for an easy tap-in with 19 minutes gone. Four minutes later, Abdullahi Shehu drilled in a cross which Umar flicked between his legs for the goal.
Nigeria completed the rout in the 67th minute when Kingsley Madu’s cross was headed home by Ajagun.
South Korea twice came from behind to draw with Portugal 2-2 in the other Group B match.
With the draw, South Korea and Portugal are level on four points, with Nigeria a point behind in third place.
Portugal’s Aladje opened the scoring with a header, before Ryu Seung-woo drew South Korea level just before halftime.
Sporting’s Armindo “Bruma” of Portugal got his third goal of the tournament in the 60th minute, before Kim Hyun drew South Korea level again in the 76th minute.