Abstract: The invention relates to a tethered ball game system comprising a vertical pole secured in its one end such as to the ground, a ball, a tether which in the one end is connected to connecting means of said system, and in the other end is connected to said ball, and a water unit with connecting means for connecting the water unit to a pressurised water supply, said water unit is suitable for spraying water, wherein the tethered ball game system comprises direction control means prepared for directing said sprayed water in one or more directions, said directions are being controlled in dependency of the movement of the ball.