Marc Polmans
Grigor Dimitrov
Lorenzo Sonego
Miomir Kecmanovic
Jan-lennard Struff
Nuno Borges
A Shelbayh / P Vives Marcos
A Goransson / E King
Stefanos Tsitsipas
Ignacio Buse
J Schnaitter / M Wallner
A Pavlasek / P Rikl
A Krajicek / N Mektic
N S Balaji / M Demoliner
N Kyrgios / J Smith
Luciano Darderi
Yannick Hanfmann