Sport: Tennis
play-by-mail tennis II   (+2)  [vote for, against]
Install tennis robots and compete over distance with them

When each party has a tennis robot (linky) it's possible for each tennis robot to play precisely as the opponent is playing.
-- Voice, May 30 2011

Use these Robotennis
tennis robots [Voice, May 30 2011]

First Service Play-by-Mail_20Tennis
[pertinax, May 30 2011]

random, halfbakery