Badminton derived from Badminton House in Gloucestershire, England in 1873. It was part of the Olympics in 1992. Since the 4th Asian Games in Djakarta, badminton has been an official competition sport of Asian Games.
The badminton court is square, with 13.4m long. The width for singles is 5.18m, and for doubles is 6.10m.
The competition adopts the 21-points system. The player can gain a point no matter whose service is. All the rallies shall be played up to 21 points. If both players reach 20 points, the game continues until one player is 2 points ahead. If both players reach 29 points, the next point is the winner. Matches are decided on the best of 3 games.