The ornamental design for a tennisracket handle, as shown and described.
FIG. 1 is a perspective view of a tennis racket handle in accordance with the present invention;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevation thereof; the left and right side being a mirror image;
FIG. 5 is a front elevation thereof; and,
FIG. 6 is a rear elevation thereof.
The broken line showing a head of a tennis racket is for the purpose of illustrating the environmental structure of the tennis racket handle and forms no part of the claimed designed.
The broken away symbols in the drawings indicate the appearance of any portion of the article between the break lines and forms no part of the claimed design.