| Argentína (5) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Coria, Federico | | Diaz Acosta, Facundo | | Etcheverry, Tomas Martin |
| | Austrália (5) |
|---|
| De Minaur, Alex | | O'Connell, Christopher | | Popyrin, Alexei | | Thompson, Jordan | | Vukic, Aleksandar |
| | Rakúsko (1) |
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| Ofner, Sebastian |
| | Bulharsko (1) |
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| Dimitrov, Grigor |
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| Kanada (1) |
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| Auger-Aliassime, Felix |
| | Čile (2) |
|---|
| Jarry, Nicolas | | Tabilo, Alejandro |
| | | Chorvátsko (1) |
|---|
| Coric, Borna |
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| | Francúzsko (5) |
|---|
| Fils, Arthur | | Humbert, Ugo | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin |
| | Nemecko (5) |
|---|
| Altmaier, Daniel | | Hanfmann, Yannick | | Koepfer, Dominik | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Grécko (1) |
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| Tsitsipas, Stefanos |
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| | Taliansko (6) |
|---|
| Arnaldi, Matteo | | Berrettini, Matteo | | Musetti, Lorenzo | | Nardi, Luca | | Sinner, Jannik | | Sonego, Lorenzo |
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|---|
| Bublik, Alexander |
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| Vacherot, Valentin |
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| Holandsko (1) |
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| Griekspoor, Tallon |
| | | Poľsko (1) |
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| Hurkacz, Hubert |
| | Rusko (4) |
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| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
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| Srbsko (3) |
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| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir |
| | Španielsko (4) |
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| Alcaraz, Carlos | | Bautista Agut, Roberto | | Davidovich Fokina, Alejandro | | Munar, Jaume |
| | Švajčiarsko (1) |
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| Wawrinka, Stan |
| | Veľká Británia (3) |
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| Draper, Jack | | Evans, Daniel | | Norrie, Cameron |
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| USA (3) |
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| Fritz, Taylor | | Giron, Marcos | | Korda, Sebastian |
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