Tennis for Two Simulator
To run the Tennis for Two Simulator simply click here. Download the zipped file, extract it and run TennisForTwo.exe
After selecting if you want to play a solo game, or a game against the computer (called "Tennis-O-Tron"), you will begin. There is even an option for Internet play by selecting client hosting.
The game should be played with apaddle controller. Use a mouse to "steer" the angle of the ball, indicated by the small pointer on the ball. This gives you a rough idea of how to play.
Original site for this program is here.