Rayo Vallecano de Madrid, S.A.D. often abbreviated to Rayo, is a Spanish football team based in Madrid, in the neighbourhood of Vallecas. Founded on 29 May 1924, the club currently plays in Segunda División, Spain's second tier division. Home games are held at the 14,708-seater Campo de Fútbol de Vallecas stadium. Rayo has competed in one European competition, the UEFA Cup in the 2000–01 season. The club made it to the quarter-finals before losing to fellow countrymen Deportivo Alavés 4–2 on aggregate.