Alexander Zverev Alex De Minaur Grigor Dimitrov Tommy Paul Frances Tiafoe Lorenzo Musetti Jack Draper Alexei Popyrin Tomas Machac Karen Khachanov Flavio Cobolli Brandon Nakashima Jan-Lennard Struff Gael Monfils Matteo Berrettini Mariano Navone Luciano Darderi Alex Michelsen Zhizhen Zhang Marcos Giron Lorenzo Sonego Jakub Mensik Cameron Norrie Miomir Kecmanovic Fabian Marozsan Alejandro Davidovich Fokina Thiago Seyboth Wild Marton Fucsovics Quentin Halys Kei Nishikori Dominic Thiem