The Sirus Cup, formerly International Mixed Doubles Sochi is an annual mixed doubles curling tournament on the ISS Mixed Doubles World Curling Tour.
It is held annually in late February/early March at the training centre of the Iceberg Skating Palace in Sochi, Russia.
[1] Prior to 2020, the event was held twice a year, with an event held in November as well.
[2] and its event categorization is 300 (highest calibre is 1000).
[3] The event has been held since 2017.