(Skip this step if you have found a place that has a badminton court set up) Now, we have to mark boundaries to play within; if you are playing doubles (two people on each side) set a playing area with the dimensions 44 feet by 20 feet.(So it would be 44 long and 20 feet wide) You can mark it by paint or chalk (Spray paint recommended on grass. Paint that can go on asphalt and concrete, or chalk recommended on concrete or asphalt.) If playing one on one, you can narrow the width down to 17 feet