Caroline Wozniacki hitting an attacking backhand return viewed from the side.

Video of Na Li hitting a backhand return viewed from the rear.

Caroline Wozniacki hitting a backhand return viewed from the side.

Amelie Mauresmo hitting a backhand return viewed from the front.

Video of Serena Williams hitting a backhand return viewed from the rear.

Jankovic hitting a backhand return viewed from the side.

Verdasco hitting a backhand return viewed from the side.

Video of Na Li hitting a backhand return viewed from the side.

Amelie Mauresmo hitting a sliced backhand return viewed from the rear.

Berdych hitting a backhand return viewed from the side.

Svetlana Kuznetsova hitting a backhand return viewed from the Side.

Caroline Wozniacki hitting a backhand return viewed from the rear.

Hrbaty hitting a backhand return viewed from the side.

Ginepri hitting a backhand return viewed from the rear.

Berdych hitting a backhand return viewed from the rear.

Bartoli hitting a backhand return viewed from the rear.