The games must be structured in the following way: Round 1: 28 players receive a bye, meaning they advance directly to round 2, and 72 players play 36 matches, 36 of which win and advance to the next round. Round 6 consists of four competitors playing two matches each, with two advancing to the next round/finals. The other two players are eliminated. In addition, there is a wild card system used to decide who plays in place of someone who has been disqualified or did not show up to their match. The last team standing wins the tournament. This knockout stage structure was used by FIFA for the first time in 2006 when it held the FIFA World Cup Brazil at eight stadiums across the country. The same format was also used for the quarter-finals of the 2008 Beijing Olympics. For the 2012 Olympic Games, FIFA decided to change the format for the semi-finals and give the winners of the opening game a free pass to the final. The other two teams will have to play a second game, with the winner of that game plus the loser of the first game qualifying for the final. This new format was used for the 2014 FIFA World Cup in Brazil and again for the 2016 Olympic Games in Rio de Janeiro. It will be used for the 2020 Olympic Games in Tokyo as well if Japan qualifies for the semi-finals.