Benoit Paire
Michael Venus
Fabio Fognini
Joao Sousa
Vasek Pospisil
Ivo Karlovic
Roberto Bautista Agut
Jiri Vesely
Jack Sock
Victor Estrella Burgos
Lukas Rosol
Guillermo Garcia-Lopez
Matthew Barton
Steve Johnson
Philipp Kohlschreiber
Benjamin Becker
Donald Young
Finn Tearney
Sam Querrey
Aljaz Bedene
Thiemo de Bakker
Albert Ramos-Vinolas
Robin Haase
Pablo Andujar