Jan-Lennard Struff Fabio Fognini Leandro Riedi Daniel Elahi Galan Juan Pablo Varillas Matteo Berrettini Botic Van De Zandschulp Stan Wawrinka Damir Dzumhur Pedro Cachin Yannick Hanfmann Lukas Klein Hamad Medjedovic Stefano Napolitano Richard Gasquet Dominic Stricker Gustavo Heide Quentin Halys Marc-Andrea Huesler