On the 3rd, the Russian Football Union announced that it would file a lawsuit with the CAS = Court of Arbitration for Sport, dissatisfied with the measures imposed by the FIFA = FIFA and the UEFA = Union of European Football Associations to ban them from participating in the tournament.
FIFA and UEFA issued a joint statement on the 28th of last month, stating that representatives and club teams will be banned from all tournaments hosted against Russia, which has invaded Ukraine.
On the 3rd, the Russian Football Union announced that it would file a complaint with CAS against this measure.
Due to FIFA and UEFA measures, the Russian national team will not be able to compete in the World Cup European Qualifying playoffs scheduled for later this month.
Regarding Russia, FIFA announced on the 27th of last month that it would ban international matches in Russia and disallow participation as a country, but it was allowed to play as the "Russian Football Union", so in the playoffs. A series of criticisms were made by football associations such as Poland, which were scheduled to play, and the next day, stricter measures were taken.