Stan Wawrinka
Matteo Berrettini
Dane Sweeny
Grigor Dimitrov
Alex Molcan
Daniel Altmaier
Mariano Navone
Flavio Cobolli
Frances Tiafoe
Terence Atmane
Andre Goransson / Evan King
Petr Nouza / Neil Oberleitner
Theo Arribage / Albano Olivetti
Orlando Luz / Rafael Matos
Robert Galloway / John Peers
Marcel Granollers / Horacio Zeballos
Pablo Carreno Busta / Jaume Munar
Guido Andreozzi / Manuel Guinard