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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International officials are ranked by the badges they are awarded by the International Tennis Federation (ITF).

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International Tennis Federation (ITF) president Christian Bimes said doping was taking place but was quick to point out that it was not as widespread as in other sports.

BBC: Tennis steps up war on drugs