Chair Umpire (tennis score)

The application is designed to help tennis chair umpires to keep the score and some routine procedures such as switching sides, serves, box to serve on so on under control during the match.

In addition there is an option of floating hints, containing verbiage for the score

If you have any remarks or wishes - you are welcome, leave them in the comments, I'll do my best to put neccesary enhancements!