Textbook "Top player complete copy manual Vol.4" of the latest tennis technology became a digital book that was able to be read with iPad and it appeared. All content of the text can be read with iPad. A convenient CG image for the confirmation of the operation image to say nothing of being able to read the text and the illustration with iPad was collected, and it became possible to inspect all contents only with iPad.
The form of both hand-made backhand from three stances of a closed stance, a neutral stance, and an open stance is analyzed based on ATP and WTA top player's operation analysis data and it explains in detail in this text.

This contents is written by Japanese.