The International Tennis Federation (ITF) is the overseeing assortment of world tennis, wheelchair tennis, and ocean side tennis. It was established in 1913 as the International Lawn Tennis Federation by twelve public tennis affiliations. Starting around 2016, there are 211 public and six territorial affiliations that make up ITF's participation. The ITF's administration obligations incorporate keeping up with and implementing the guidelines of tennis, directing worldwide group contests, advancing the game, and safeguarding the game's honesty through enemy of doping and against debasement programs. The ITF accomplices with the Women's Tennis Association (WTA) and the Association of Tennis Professionals (ATP) to administer proficient tennis. The ITF coordinates the Grand Slam occasions, yearly group contests for men (Davis Cup), ladies (Billie Jean King Cup), and blended groups (Hopman Cup), as well as tennis and wheelchair tennis occasions at the Summer Olympic and Paralympic Games for the International Olympic Committee. The ITF sanctions the Grand Slam tennis competitions as well as circuits which length age ranges (junior, proficient people, and seniors) as well as disciplines (wheelchair tennis; ocean side tennis). Notwithstanding these circuits, the ITF likewise keeps up with rankings for youngsters, seniors, wheelchair and ocean side tennis.