Tennis Champions it's one of the best mouse sport game online. If you wonder how this game is being played well? you will see that it is very easy because the mouse will offer you all the freedom of move that you need! So, move the mouse around and the player will follow and when you want to serve just click twice the left button! When you play tennis games online you also need to know that if you position on the direction from which the ball is coming and hit you will give the necessary effect to make your opponent miss! Enjoy this free online fun tennis games.