Japanese Olympic Committee(JOC)

Although games of tennis are usually played outdoors, these tennis courts areof indoor type to make practice possible in all weather. There are two hardcourts and two red clay courts, each with the same specifications as those usedin the US Open and the French Open. An anti-glare device is provided fortraining that simulates an outdoor game, and the room temperature can also becontrolled from minus 20 to plus 50 degrees.