The Championship of Les Evants was established in September 1902 and was held at the Tennis Club des Avants, Les Avants, Montreux, Switzerland.
[3] The tournament was usually held in August sometimes in September.
In 1904 the edition was held jointly as the Swiss International Championships.
[4] The championship continued to be held through til 1938 when it was discontinued due to World War II.
The tennis club is still operating today.