1918 Copa del Rey

The Copa del Rey 1918 was the 18th staging of the Copa del Rey, the Spanish football cup competition.

The competition started on 8 April 1918, and concluded on 2 May 1918 with the final, held at the O'Donnell in Madrid, in which Real Unión lifted the trophy for the first time (second time counting the trophy won by Racing de Irun in 1913) with a 2–0 victory over Madrid FC with Juan Legarreta netting both goals for Unión.

Teams

 * North Region: Real Unión
 * Central Region: Madrid FC
 * South Region: Recreativo de Huelva
 * Galicia: Fortuna de Vigo
 * Asturias: Sporting de Gijón
 * Catalonia: RCD Español

Quarter-finals
Recreativo de Huelva and Fortuna de Vigo received a bye to the semi-finals. Real Unión and Sporting Gijón played a single match at a neutral venue, instead of a two-legged tie.

Second leg
''RCD Español and Madrid CF won one match each. At that year, the goal difference was not taken into account. A replay match was played.''

Replay
Madrid FC advanced to the semi-finals

One-legged game
''This was a one-legged match, played on neutral ground. Real Unión advanced to the semi-finals.''

Second leg
Madrid FC won 2–0 on aggregate matches.

One-legged game
This was a one-legged match, played on neutral ground, and it was Real Unión who advanced to the final with a 4–1 win.