Many factors are related to the winning or losing of a badminton game. Thus, everything should be controlled and every decision is crucial. When the game doesn't go as the coaches expected, challenge tactics should be used so that the coaches can give instructions or make decisions. The purpose of the study was to explore how the coaches can use challenge tactics to improve the performance of the players and the considerations related to the timing of using challenge tactics in a badminton game. Frequency of the use of challenge tactics by athletes and coaches, with proper use of challenge tactics , the coaches can help the players control the pace of the games and regain the chances to win. challenge is an art and is also a tactics, the use of challenge tactics is like a double edged sword, and how to cleverly use one minute challenge for confidential briefings to turn things around tests the wisdom of both badminton coaches and players.