If your hands are too small to grip the dodgeball this way, you can curl your hand and wrist around the ball, cradling it. You’ll still be able to throw the ball effectively.

Be careful not to drop your ball when blocking incoming shots, or you’ll be eliminated. [7] X Research source

Say you want to make an opponent dodge left until they’re out of bounds, keep throwing at their right side. After a few throws, they’ll start moving left and eliminate themselves. [12] X Research source