It is also responsible for appointing the management of the men's, women's, and youth national football teams, the futsal and beach soccer.

[citation needed] However, other clubs did not recognize the new organization as a single national federation, including relevant entities such as Madrid FC and Athletic Club and the current national champion, Club Ciclista de San Sebastián, and this caused the 1910 Copa del Rey to have two parallel rival cup competitions: an "official", organized by the newly created FECF, in Madrid, won by Barcelona, and an "unofficial", organized by the UECF (Unión Española de Clubes de Fútbol), in San Sebastián, won by Athletic.

Both organizations had a monarch as parents, them being Queen Victoria Eugenia (leading a tournament of the Union of Clubs, for which she awarded a cup) and King Alfonso XIII (honorary president of the Federation since its foundation).

[5] The RUECF try to gain recognition by holding an international match against a Ligue de Football Association team (LFA was part of the French CFI, which was a member of FIFA), held on 25 May 1913 at the Amute in Hondarribia.

[14][15][16] In July, the RUECF sent a letter signed by its secretary Julián Olave to RFECF proposing to reach a merger agreement between the two federations.

[17][18][19] Ruiz Ferry went to San Sebastian at the end of July to meet with the representatives of the RUECF and negotiate a definitive agreement with them.

The 1914 Copa del Rey was the first edition of the competition to be organized by the RFEF, and Athletic Club were the winners after beating FC Espanya 2–1 in the final.

[39] On 21 May 1920, the General Assembly of the RFEF approved the creation of the national team to participate in the 1920 Antwerp Olympic Games.

Spain wore a red shirt, white shorts, black socks and an embroidered lion on the chest.

[41] In their maiden international tournament, Spain returned from Belgian lands with the silver medal after beating the Netherlands in the decisive match.

[42] Besides, together with their youth teams, Spain became the current world champion in all three female categories (U-17, U-20 and senior level), unprecedented in the women's game.