Not only the racket and the string matter ! Balls have direct impact on the game.
A mini-tennis ball for learning which is 50% slower.
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RT @DaveDorsey7: Just walked in to @TennisExpress and saw this @tecnifibre_int TFight 315 LTD on the stringer! #goodtiming #TFight http://t…
01 Oct. - 16h46