Følgende 16 spillere kvalificerede sig til hovedturneringen:
# {{flagikon|ITA|3:2}} [[Simone Bolelli]]
# {{flagikon|GRE|3:2}} [[Stefanos Tsitsipas]]
# {{flagikon|USA|3:2}} [[Taylor Fritz]]
# {{flagikon|GER|3:2}} [[Peter Gojowczyk]]
# {{flagikon|RUS|3:2}} [[Andrej Rublev]]
# {{flagikon|GBR|3:2}} [[Alexander Ward]]
# {{flagikon|AUS|3:2}} [[Andrew Whittington]]
# {{flagikon|CZE|3:2}} [[Lukáš Rosol]]
# {{flagikon|UKR|3:2}} [[Illja Martjenko]]
# {{flagikon|GER|3:2}} [[Daniel Brands]]
# {{flagikon|UKR|3:2}} [[Sergij Stakhovskij]]
# {{flagikon|BEL|3:2}} [[Ruben Bemelmans]]
# {{flagikon|CHI|3:2}} [[Christian Garin]]
# {{flagikon|AUT|3:2}} [[Sebastian Ofner]]
# {{flagikon|ITA|3:2}} [[Stefano Travaglia]]
# {{flagikon|CHI|3:2}} [[Nicolás Jarry]]
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