| Argentinien (7) |
|---|
| Bagnis, Facundo | | Cerundolo, Francisco | | Coria, Federico | | Delbonis, Federico | | Londero, Juan Ignacio | | Pella, Guido | | Schwartzman, Diego |
| | Australien (6) |
|---|
| De Minaur, Alex | | Duckworth, James | | Millman, John | | O'Connell, Christopher | | Popyrin, Alexei | | Thompson, Jordan |
| | Österreich (1) |
|---|
| Thiem, Dominic |
| | Weißrussland (1) |
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| Gerasimov, Egor |
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| | Brasilien (1) |
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| Monteiro, Thiago |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | Kanada (2) |
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| Auger-Aliassime, Felix | | Raonic, Milos |
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| Chile (1) |
|---|
| Garin, Christian |
| | Kolumbien (1) |
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| Galan, Daniel Elahi |
| | | Tschechien (1) |
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| Vesely, Jiri |
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| Finnland (1) |
|---|
| Ruusuvuori, Emil |
| | Frankreich (18) |
|---|
| Barrere, Gregoire | | Bonzi, Benjamin | | Bourgue, Mathias | | Cazaux, Arthur | | Chardy, Jeremy | | Couacaud, Enzo | | Gasquet, Richard | | Gaston, Hugo | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Pouille, Lucas | | Rinderknech, Arthur | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
| | Deutschland (8) |
|---|
| Gojowczyk, Peter | | Hanfmann, Yannick | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Marterer, Maximilian | | Otte, Oscar | | Struff, Jan-Lennard | | Zverev, Alexander |
|
| Griechenland (1) |
|---|
| Tsitsipas, Stefanos |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Italien (11) |
|---|
| Berrettini, Matteo | | Caruso, Salvatore | | Cecchinato, Marco | | Fognini, Fabio | | Giannessi, Alessandro | | Mager, Gianluca | | Musetti, Lorenzo | | Seppi, Andreas | | Sinner, Jannik | | Sonego, Lorenzo | | Travaglia, Stefano |
| | Japan (4) |
|---|
| Daniel, Taro | | Nishikori, Kei | | Nishioka, Yoshihito | | Uchiyama, Yasutaka |
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| Kasachstan (2) |
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| Bublik, Alexander | | Kukushkin, Mikhail |
| | Litauen (1) |
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| Berankis, Ricardas |
| | | Die Niederlande (1) |
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| Zandschulp, Botic van de |
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| | Polen (2) |
|---|
| Hurkacz, Hubert | | Majchrzak, Kamil |
| | | Russland (5) |
|---|
| Karatsev, Aslan | | Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey | | Safiullin, Roman |
|
| Serbien (5) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan |
| | Slowakei (2) |
|---|
| Gombos, Norbert | | Martin, Andrej |
| | Slowenien (1) |
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| Bedene, Aljaz |
| | Südafrika (2) |
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| Anderson, Kevin | | Harris, Lloyd |
|
| Südkorea (1) |
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| Kwon, Soonwoo |
| | Spanien (15) |
|---|
| Alcaraz, Carlos | | Andujar, Pablo | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Lopez, Feliciano | | Martinez, Pedro | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Taberner, Carlos | | Verdasco, Fernando | | Vilella Martinez, Mario | | Zapata Miralles, Bernabe |
| | | Schweiz (2) |
|---|
| Federer, Roger | | Laaksonen, Henri |
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| | Groß Britannien (2) |
|---|
| Evans, Daniel | | Norrie, Cameron |
| | Vereinigte Staaten (13) |
|---|
| Brooksby, Jenson | | Fratangelo, Bjorn | | Fritz, Taylor | | Giron, Marcos | | Isner, John | | Johnson, Steve | | Korda, Sebastian | | McDonald, Mackenzie | | Opelka, Reilly | | Paul, Tommy | | Querrey, Sam | | Sandgren, Tennys | | Tiafoe, Frances |
| |
| Usbekistan (1) |
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| Istomin, Denis |
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