| Australia (2) |
|---|
| De Minaur, Alex | | Millman, John |
| | Belarus (1) |
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| Gerasimov, Egor |
| | | Canada (1) |
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| Auger-Aliassime, Felix |
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| | France (3) |
|---|
| Chardy, Jeremy | | Humbert, Ugo | | Mannarino, Adrian |
| | Georgia (1) |
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| Basilashvili, Nikoloz |
| | Germany (2) |
|---|
| Struff, Jan-Lennard | | Zverev, Alexander |
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| Greece (1) |
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| Tsitsipas, Stefano |
| | Hungary (1) |
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| Fucsovics, Marton |
| | |
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| Bublik, Alexander |
| | Netherlands (2) |
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| Haase, Robin | | Zandschulp, Botic van de |
| | Poland (1) |
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| Hurkacz, Hubert |
| | Russia (3) |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
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| Bautista Agut, Roberto | | Davidovich Fokina, Alejandro |
| | Switzerland (1) |
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| Wawrinka, Stan |
| | United Kingdom (2) |
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| Murray, Andy | | Norrie, Cameron |
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| United States (3) |
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| Giron, Marcos | | Opelka, Reilly | | Paul, Tommy |
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