The International Tennis Federation(ITF) is the governing body of the game of tennis and its duties and responsibilities include determination of the Rules of Tennis.
国际网球联盟（ITF）是网球比赛管理机构，其职责义务包括确定网球运动相关规则。
The International Tennis Federation(ITF) is the governing body of the game of tennis and its duties and responsibilities include determination of the Rules of Tennis.
国际网球联盟（ITF）是网球比赛管理机构，其职责义务包括确定网球运动相关规则。
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