Francisco Cerundolo Flavio Cobolli Pedro Martinez Portero Alexander Shevchenko Laslo Djere Maximilian Marterer Ugo Blanchet Alexander Zverev Holger Rune Sebastian Baez Arthur Fils Zhizhen Zhang Luciano Darderi Fabian Marozsan Sebastian Ofner Lorenzo Sonego Dusan Lajovic Jaume Antoni Munar Clar Dominik Koepfer Thiago Seyboth Wild Facundo Diaz Acosta Hugo Gaston Jesper De Jong Felipe Meligeni Alves Marco Trungelliti