In 1898 the Swiss Lawn Tennis Association staged the event at Château-d'Œx.
In 1899 an open women's singles event was added to the schedule, when the venue was still in Saint Moritz.
The first event was played on clay courts and was won by Victor de Coubasch.
[1] For the years 1937,48–49, 52, 54–55, 57–58, 60–61, 63, 66–67 this tournament was valid as the Swiss International Championships.
The Swiss International Championships were staged at the following locations throughout its run including Basel, Champéry, Geneva, Gstaad, Les Avants, Montreux, Lausanne, Lugano, Lucerne, Ragatz, St. Moritz, Zermatt, and Zurich from 1897 to 1967.