Pablo Carreno Busta
Denis Istomin
Marcel Granollers
Daniel Munoz de la Nava
Alexander Zverev
Jan-Lennard Struff
Teymuraz Gabashvili
Nicolas Almagro
Albert Ramos-Vinolas
Jaume Munar
Mikhail Youzhny
Rajeev Ram
Inigo Cervantes
Franko Skugor
Karen Khachanov
Aljaz Bedene
Evgeny Donskoy
Facundo Bagnis
Malek Jaziri
Hyeon Chung
Victor Estrella Burgos
Mikhail Kukushkin
Ivan Dodig
Pedro Cachin
Marton Fucsovics
Ernests Gulbis
Radek Stepanek
Santiago Giraldo
Thiemo de Bakker
Elias Ymer
Albert Montanes
Roberto Carballes Baena