Judgment of the Court (Grand Chamber) of 1 August 2025.#Royal Football Club Seraing v Fédération internationale de football association (FIFA) and Others.#Request for a preliminary ruling from the Cour de cassation.#Reference for a preliminary ruling – Article 19(1) TEU – Obligation of Member States to provide remedies sufficient to ensure effective legal protection in the fields covered by Union law – Article 47 of the Charter of Fundamental Rights of the European Union – Right to an effective remedy – Possibility of recourse to arbitration – Arbitration between individuals – Imposed arbitration – Decision of a body of an international sports federation imposing a sanction – Award by the Court of Arbitration for Sport (CAS) upheld by a decision of a court of a third State – Legal remedy against the arbitral award – National legislation conferring on that arbitral award the authority of res judicata between the parties and probative value vis-à-vis third parties – Powers and obligations of the national courts before which that arbitral award is relied on – Effective review of the consistency of such an arbitral award with the principles and provisions falling under EU public policy.#Case C-600/23.