Player Draw
- Felix Auger-Aliassime
- Mirza Basic
- Roberto Bautista Agut
- Aljaz Bedene
- Julien Benneteau
- Tomas Berdych
- Lucas Catarina
- Marco Cecchinato
- Jeremy Chardy
- Marin Cilic
- Borna Coric
- Pablo Cuevas
- Grigor Dimitrov
- Novak Djokovic
- Jared Donaldson
- Damir Dzumhur
- Kyle Edmund
- Fabio Fognini
- Marton Fucsovics
- Guillermo Garcia-Lopez
- Richard Gasquet
- David Goffin
- Peter Gojowczyk
- Robin Haase
- Pierre-Hugues Herbert
- Ilya Ivashka
- Karen Khachanov
- Philipp Kohlschreiber
- Thanasi Kokkinakis
- Dusan Lajovic
- Feliciano Lopez
- Paolo Lorenzi
- Adrian Mannarino
- Florian Mayer
- Daniil Medvedev
- Gilles Muller
- Rafael Nadal
- Kei Nishikori
- Benoit Paire
- Guido Pella
- Lucas Pouille
- Albert Ramos-Vinolas
- Milos Raonic
- Andrey Rublev
- Tennys Sandgren
- Diego Schwartzman
- Andreas Seppi
- Denis Shapovalov
- Gilles Simon
- Jan-Lennard Struff
- Yuichi Sugita
- Dominic Thiem
- Stefanos Tsitsipas
- Fernando Verdasco
- Mischa Zverev
- Alexander Zverev