Stan Wawrinka
Matteo Berrettini
Dane Sweeny
Grigor Dimitrov
Alex Molcan
Daniel Altmaier
Jiri Lehecka
Alexei Popyrin
Vit Kopriva
Jan Choinski
Mariano Navone
Flavio Cobolli
Frances Tiafoe
Terence Atmane
Andre Goransson / Evan King
Petr Nouza / Neil Oberleitner
Theo Arribage / Albano Olivetti
Orlando Luz / Rafael Matos