The traditional Challengers juniors indoor tournament in the ETH Hönggerberg sports hall in Zurich will take place this winter on Sunday, February 4th.

Before that the U12 Juveniles and U15 Cadets of the Challengers will be in action at the indoor tournaments in Wil and Bern. The tournament in eastern Switzerland will take place on Saturday, December 9th, the one in the federal city on January 20th, 2024.