On-Court Tennis is a computer game developed by Activision's Gamestar division and published in 1984 for the Commodore 64.

[1] The game automatically moves the avatar to the ball; the player controls the swing and timing.

stated that the Commodore 64 version of On-Court Tennis "features fluid animation, highly sophisticated computerized opponents in the solitaire mode, and true-to-life strategy".

It concluded that the game was "truly a landmark computer entertainment program.

It takes a fresh look at a subject, video tennis, which many considered totally washed out.