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| Aisam-ul-Haq Qureshi | | Aleksandr Nedovyesov | | James Duckworth | | Marcos Giron |
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| Liam Broady (WC) | | Jay Clarke (WC) | | David Vega Hernández (16) | | Rafael Matos (16) |
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| Nicolas Mahut (12) | | Édouard Roger-Vasselin (12) | | Tomas Martin Etcheverry | | Francisco Cerundolo |
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| Philipp Oswald | | Hans Hach Verdugo | | Roman Jebavý | | Hunter Reese |
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| Federico Delbonis | | Sebastian Baez | | Nikola Ćaćić | | Andrea Vavassori |
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| João Sousa | | Jordan Thompson | | Matwé Middelkoop | | Luke Saville |
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| Franko Škugor | | Treat Huey | | Nuno Borges | | Francisco Cabral |
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| Nikoloz Basilashvili | | Radu Albot | | Jiří Veselý | | Alexander Bublik |
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| Federico Coria | | Hugo Dellien | | Oscar Otte | | Tallon Griekspoor |
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| Kamil Majchrzak | | Jan Zieliński | | Dušan Lajović | | Laslo Djere |
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| Tomislav Brkić | | Ramkumar Ramanathan | | Pablo Carreño Busta | | Roberto Carballés Baena |
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| Albert Ramos Viñolas | | Benoît Paire | | Nikola Mektić (2) | | Mate Pavić (2) |
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