The ornamental design for a handle of tabletennisracket, as shown and described.
The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a handle of a table tennis racket; and,
FIG. 2 is a front perspective view.
The broken line portions in FIGS. 1-2 are included to show unclaimed subject matter only and form no part of the claimed design.