Zweeler.com start list for Bett1HULKS Championships Cologne (RtPM)

Argentina (1)
Schwartzman, Diego
Australia (4)
Duckworth, James
Millman, John
Popyrin, Alexei
Thompson, Jordan
Austria (1)
Novak, Dennis
Belarus (1)
Gerasimov, Egor
Bosnia-Herzegovina (1)
Dzumhur, Damir
Canada (2)
Auger-Aliassime, Felix
Shapovalov, Denis
Croatia (1)
Cilic, Marin
France (3)
Herbert, Pierre-Hugues
Mannarino, Adrian
Simon, Gilles
Germany (4)
Altmaier, Daniel
Otte, Oscar
Struff, Jan-Lennard
Zverev, Alexander
India (1)
Nagal, Sumit
Italy (2)
Cecchinato, Marco
Sinner, Jannik
Japan (1)
Nishioka, Yoshihito
Serbia (2)
Kecmanovic, Miomir
Petrovic, Danilo
Spain (2)
Davidovich Fokina, Alejandro
Verdasco, Fernando
United Kingdom (1)
Edmund, Kyle
United States (2)
Johnson, Steve
Sandgren, Tennys