| Австралия (6) |
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| De Minaur, Alex | | Ebden, Matthew | | Millman, John | | O'Connell, Christopher | | Popyrin, Alexei | | Thompson, Jordan |
| | Австрия (2) |
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| Novak, Dennis | | Thiem, Dominic |
| | Беларусь (1) |
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| Gerasimov, Egor |
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| Канада (2) |
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| Pospisil, Vasek | | Shapovalov, Denis |
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| Ruusuvuori, Emil |
| | Франция (3) |
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| Chardy, Jeremy | | Gasquet, Richard | | Tsonga, Jo-Wilfried |
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| Грузия (1) |
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| Basilashvili, Nikoloz |
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| Struff, Jan-Lennard |
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| Fucsovics, Marton |
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| Италия (4) |
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| Cecchinato, Marco | | Giustino, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
| | Япония (2) |
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| Nishikori, Kei | | Nishioka, Yoshihito |
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| Bublik, Alexander | | Kukushkin, Mikhail |
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| Польша (1) |
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| Hurkacz, Hubert |
| | Россия (3) |
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| Karatsev, Aslan | | Khachanov, Karen | | Rublev, Andrey |
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| Krajinovic, Filip | | Lajovic, Dusan |
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| Bedene, Aljaz |
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| Южная Африка (1) |
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| Harris, Lloyd |
| | Испания (5) |
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| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Ramos-Vinolas, Albert | | Zapata Miralles, Bernabe |
| | | Великобритания (1) |
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| Evans, Daniel |
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| Соединенные Штаты (2) |
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| Fritz, Taylor | | Opelka, Reilly |
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