format of football played in a plexiglass cage of 10m x 5m. The players can use the walls to pass and to score. The governing body is the Jorkyball International Federation. Beach soccer Beach soccer is a variation on five-a-side football in that it is played on a sandy surface. Rules do not greatly differ from those found in regular five-a-side football. Six-a-side football A variation with increased pitch size and number of players on a team. In this variation there are five outfield players and one goalkeeper on the pitch for each team at any time. Other rules do not differ from those found in five-a-side football. Seven-a-side football This is another variation with increased pitch and team size; in this case with six outfield players and a goalkeeper on each side. The rules differ from those from five-a-side. SUB football is a variation of seven-a-side football primarily played in Australia and New Zealand. The rules have been modified slightly to encourage new players to the game, with strict enforcement of non-contact and two ways to score points: by scoring a goal in the same manner as the other formats, or by scoring a board that is on either side of the goal. The boards are usually 2.5m long and one third of the height of the goal. A goal is 3 points and a board is 1 point. When the ball goes out of play, it may be kicked or thrown in. This applies to the sideline and corners. Blind football Different organisations There are many operators of five-a-side football in Europe (Powerleague, Goals Soccer Center, UrbanSoccer), and most of all in the UK. World Minifootball Federation (WMF) unites 71 national associations, grouped into federations by continent. European Minifootball Federation consists of 32 member associations. EMF organizes EMF miniEURO and EMF Champions League competitions. International Socca Federation (ISF) is a 6 a side football organization, running yearly Socca World Cup events since 2018. 40 national teams participated in the 2019 Socca World Cup. The F5WC is the world's largest amateur five-a-side football tournament in the world with over 48 participating nations. IFA7 is the international association that promotes seven-a-side football. IFA7 held the first known Seven-a-side Football World Cup in 2017 in Guatemala, with Russia winning the title. Youth organisations The popularity of five-a-side youth football has grown tremendously within the U.S. Many organisations have chosen this format