The children's football tournament (generation 2008) Red Cup 2021 was held in Sofia from September 1 to 5, 2021, at the stadium of the "Bulgarian Army". Young teams of two football clubs from the Republic of Serbia, Partizan and Vojvodina, participated in the tournament. The host football club, CSKA, took the first place, the players of FC Partizan won the second place, and FC Vojvodina was placed in the third. In the competition, in which players up to the age of 12 have participated, was won by the youngest players of FC Partizan. The tournament was attended by the Ambassador of the Republic of Serbia to Bulgaria, Zeljko Jovic.