RealSports Tennis - Atari 2600

Complete Atari 2600 Game Library (252 items)
list by Prelude

Atari 2600 (284 items)
list by diabolical dr voodoo

Realsports Tennis is similar in design to Activision's Tennis, but is more detailed and allows for more complicated shots. Hard hits and lobs can be implemented if you are running toward or away from the net as you hit. Various levels of difficulty are included.