Alex Molcan
Daniel Altmaier
Mariano Navone
Flavio Cobolli
Frances Tiafoe
Terence Atmane
Soonwoo Kwon
Tommy Paul
Marton Fucsovics
Learner Tien
Karol Drzewiecki / Kamil Majchrzak
Fernando Romboli / John-Patrick Smith
Diego Hidalgo / Matej Vocel
Francisco Cabral / Lucas Miedler
Nicolas Mejia
Michael Zheng
Alejandro Davidovich Fokina
Fabian Marozsan