Use the mouse or the arrows to move (you need to select one).
You need to win all matches to win a tournament. To win a match you need to win 2 games. And to win a game, you need to make 4 points (15, 30, 40, game); the score of a game is similar to tennis, if both players reached the 3th point (40), they need to score 2 consecutive points to win.