$ sudo apt-get update
$ sudo apt-get install freetennis-common 

freetennis-common is installed in your system.

Make ensure the freetennis-common package were installed using the commands given below,

$ sudo dpkg-query -l | grep freetennis-common *

You will get with freetennis-common package name, version, architecture and description in a table

freetennis-common package basic information: