- MARACH Oliver/PAVIC Mate
- KUBOT Lukasz/MELO Marcelo
- BRYAN Bob/BRYAN Mike
- KONTINEN Henri/PEERS John
- MURRAY Jamie/SOARES Bruno
- CABAL Juan Sebastian/FARAH Robert
- HERBERT Pierre-Hugues/MAHUT Nicolas
- QURESHI Aisam-ul-Haq/ROJER Jean-Julien
- MEKTIC Nikola/PEYA Alexander
- DODIG Ivan/RAM Rajeev
- KLAASEN Raven/VENUS Michael
- CUEVAS Pablo/GRANOLLERS Marcel
- LOPEZ Feliciano/LOPEZ Marc
- BOPANNA Rohan/ROGER-VASSELIN Edouard
- MCLACHLAN Ben/STRUFF Jan-Lennard
- PERALTA Julio/ZEBALLOS Horacio
- MIRNYI Max/OSWALD Philipp
- DEMOLINER Marcelo/GONZALEZ Santiago
- INGLOT Dominic/SKUGOR Franko
- HAASE Robin/MIDDELKOOP Matwe
- MARRERO David/VERDASCO Fernando
- LINDSTEDT Robert/MATKOWSKI Marcin
- MONROE Nicholas/SMITH John-Patrick
- KOOLHOF Wesley/SITAK Artem
- SKUPSKI Ken/SKUPSKI Neal
- DURAN Guillermo/MOLTENI Andres
- PODLIPNIK-CASTILLO Hans/WITHROW Jackson
- MARTIN Fabrice/RAJA Purav
- JEBAVY Roman/VASILEVSKI Andrei
- ARENDS Sander/SHAMASDIN Adil
- JOHNSON Steve/SOCK Jack
- BEGEMANN Andre/SANCIC Antonio
- MAYER Leonardo/SOUSA Joao
- GONZALEZ Maximo/JARRY Nicolas
- LORENZI Paolo/ZVEREV Mischa
- BOLELLI Simone/FOGNINI Fabio
- EBDEN Matthew/YOUNG Donald
- KYRGIOS Nick/REID Matt
- PELLA Guido/SCHWARTZMAN
- RAMOS-VINOLAS Albert/VESELY Jiri
- DELBONIS Federico/PAIRE Benoit
- BHAMBRI Yuki/SHARAN Divij
- KNOWLE Julian/MAYER Florian
- ARNEODO Romain/MEDVEDEV Daniil
- BASILASHVILI Nikoloz/MILLMAN John
- HARRISON Ryan/POSPISIL Vasek
- MARTERER Maximilian/PETZSCHNER Philipp
- BASIC Mirza/DZUMHUR Damir
- CECCHINATO Marco/FUCSOVICS Marton
- CARBALLES BAENA Roberto/GARCIA-LOPEZ Guillermo
- IVASHKA Ilya/KHACHANOV Karen
- LIPSKY Scott/SANDGREN Tennys
- FRITZ Taylor/TIAFOE Frances
- GOJOWCZYK Peter/HAIDER-MAURER Andreas
- BAGHDATIS Marcos/TSITSIPAS Stefanos
- BRACCIALI Daniele/SEPPI Andreas
- NISHIOKA Yoshihito/SUGITA Yuichi
Convites:
- CHARDY Jeremy/NESTOR Daniel
- BONZI Benjamin/JACQ Grégoire
- BLANCANEAUX Geoffrey/LESTIENNE Constant
- HOANG Antoine/HUMBERT Ugo
- DENOLLY Corentin/MULLER Alexandre
- LAKAT Florian/RINDERKNECH Arthur
- GASTON Hugo/TABUR Clement
Match Tie-Break 