Stefan Bissegger won the 4th stage of the Cycling Tour of Switzerland, from St. Urban to Gstaad, 161.2 kilometers long.
The young Swiss won at the end of a break from Belgian Benjamin Thomas, second, and the American Joey Rosskopf, third.
Fourth was his compatriot Joel Suter, 23 "behind, fifth the Belgian Edward Theuns, with a delay of 5'16".
Relatively quiet day for the group, with Mathieu Van der Poel who kept the yellow jersey as leader of the general classification.