| Argentina (2) |
|---|
| Pella, Guido | | Schwartzman, Diego |
| | Rakousko (1) |
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| Thiem, Dominic |
| | Bulharsko (1) |
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| Dimitrov, Grigor |
| | Kanada (1) |
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| Auger-Aliassime, Felix |
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| Chile (1) |
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| Garin, Christian |
| | Čína (2) |
|---|
| Li, Zhe | | Zhang, Zhizhen |
| | Francie (3) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Monfils, Gael |
| | Gruzie (1) |
|---|
| Basilashvili, Nikoloz |
|
| Německo (1) |
|---|
| Zverev, Alexander |
| | Řecko (1) |
|---|
| Tsitsipas, Stefano |
| | Itálie (3) |
|---|
| Berrettini, Matteo | | Cecchinato, Marco | | Fognini, Fabio |
| | Kazachstán (1) |
|---|
| Kukushkin, Mikhail |
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| Rusko (2) |
|---|
| Khachanov, Karen | | Rublev, Andrey |
| | | Španělsko (3) |
|---|
| Bautista Agut, Roberto | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
| | Velká Británie (4) |
|---|
| Edmund, Kyle | | Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
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| USA (3) |
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| Isner, John | | Querrey, Sam | | Tiafoe, Frances |
| |