FENASET is the result of the union of senior tennis players who wanted a better structure and support for athletes in this modality. Founded on 09/24/2014 in an Assembly held at Club Athletico Paulistano, in the city of São Paulo/SP, it had its first headquarters in the city of Rio de Janeiro/RJ. On 12/20/2016 its headquarters was transferred to the city of Porto Alegre/RS.

The National Federation of Senior Tennis Athletes of Brazil is based on art. 217, item I, of the Federal Constitution of 1988, which guarantees the autonomy of sports entities, directors and associations, regarding their organization and functioning.