A penalty shoot-out is a tie-breaking method in association football to determine which team is awarded victory in a match that cannot end in a draw, when the score is tied after the normal time as well as extra time have expired. In a penalty shoot-out, each team takes turns shooting at goal from the penalty mark, with the goal defended only by the opposing team's goalkeeper. Each team has five shots which must be taken by different players; the team that makes more successful kicks is declared the victor. Shoot-outs finish as soon as one team has an insurmountable lead. If scores are level after five pairs of shots, the shootout progresses into additional "sudden-death" rounds. Balls successfully kicked into the goal during a shoot-out do not count as goals for the individual kickers or the team, and are tallied separately from the goals scored during normal play. Although the procedure for each individual kick in the shoot-out resembles that of a penalty kick, there are some differences. Most notably, neither the kicker nor any player other than the goalkeeper may play the ball again once it has been kicked.

Association football, commonly known as football, or soccer, is a team sport played between two teams of 11 players each, who primarily use their feet to propel a ball around a rectangular field called a pitch. The objective of the game is to score more goals than the opposing team by moving the ball beyond the goal line into a rectangular-framed goal defended by the opposing team. Traditionally, the game has been played over two 45-minute halves, for a total match time of 90 minutes. With an estimated 250 million players active in over 200 countries and territories, it is the world's most popular sport.