Abstract: An apparatus for keeping the score of a game of which a generic form is suitable for adaptation to both retrofit use as well as an integral shaping of a tennis racquet. The generic form of the present invention includes an array of scoring indicia displayed in a column on an elongated element. The elongated element is disposed on a branch or shaft of a tennis racquet in combination with a score marking element. The score marking element comprises an elastic loop which encircles the branch or shaft and selectively resides upon the scoring indicia of the elongated element. Several embodiments of the generic form are described.