Caroline Wozniacki hitting a sliced backhand viewed from the rear.

Caroline Wozniacki hitting a sliced backhand approach shot viewed from the side.

Ivanovic hitting a slice backhand approach viewed from the rear

Jankovic hitting a sliced backhand viewed from the side.

Amelie Mauresmo hitting a sliced backhand viewed from the front.

Jankovic hitting a sliced backhand from a wide court position viewed from the side.

Svetlana Kuznetsova hitting a sliced backhand viewed from the rear.

Hingis hitting a sliced backhand return viewed from the rear