You have selected the best tennis ball machines available in the market. Your SuperCoach is ready to play with you on the tennis court. This machine can be your coach or your tennis partner. You can play an entire game, because you can program it to place a different kind of ball (FLAT, LOBE, TOPSPIN, SLICE) for each stroke to a different location on the court. You can save your programs, which can contain 30 strokes, and you can have 28 different programs.