Kyrgios’s follows through with his racket turning over 180 degrees — an exaggerated version of the so-called windshield wiper finish.

His severe under-the-handle grip lets him make contact at shoulder height and in front of his body, turning even a high bouncing ball into an aggressive, high-velocity return.

Kyrgios unfurls his weight into his right leg, exploding upward into the ball, and making contact about two feet in the air.

Winding his torso results in remarkable body rotation towards the ball.

Like other top modern players, he turns his shoulders well past perpendicular to the net.

He begins by pointing the tip of the racket toward his opponent. He rotates his arm back, stretching his shoulder muscles as far as possible.

Nick Kyrgios of Australia delivers one of the most explosive forehands in the modern game.

Nick Kyrgios, the Australian player known for his unpredictably explosive personality, has an equally explosive forehand. His athleticism combined with a distinctive wiping motion makes it one of the greatest — and most unusual weapons — in the modern game. Here’s a look at the technical elements in his forehand swing.

He begins by pointing the tip of the racket toward his opponent. He rotates his arm back, stretching his shoulder muscles as far as possible.

Like other top modern players, he turns his shoulders well past perpendicular to the net.

Winding his torso results in remarkable body rotation towards the ball.

Kyrgios unfurls his weight into his right leg, exploding upward into the ball, and making contact about two feet in the air.

His severe under-the-handle grip lets him make contact at shoulder height and in front of his body, turning even a high bouncing ball into an aggressive, high-velocity return.

Kyrgios’s follows through with his racket turning over 180 degrees — an exaggerated version of the so-called windshield wiper finish.