| Argentyna (6) |
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| Delbonis, Federico | | Londero, Juan Ignacio | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Trungelliti, Marco |
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|---|
| De Minaur, Alex | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Millman, John | | Popyrin, Alexei | | Thompson, Jordan |
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| Thiem, Dominic |
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| Gerasimov, Egor | | Ivashka, Ilya |
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| Darcis, Steve | | Goffin, David |
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| Dzumhur, Damir |
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| Monteiro, Thiago |
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| Dimitrov, Grigor |
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| Auger-Aliassime, Felix | | Pospisil, Vasek | | Schnur, Brayden | | Shapovalov, Denis |
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| Garin, Christian | | Jarry, Nicolas |
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| Giraldo, Santiago |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo |
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| Berdych, Tomas | | Vesely, Jiri |
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| Barrere, Gregoire | | Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Hoang, Antoine | | Humbert, Ugo | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
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| Basilashvili, Nikoloz |
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| Niemcy (6) |
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| Kamke, Tobias | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Berrettini, Matteo | | Cecchinato, Marco | | Fabbiano, Thomas | | Fognini, Fabio | | Lorenzi, Paolo | | Seppi, Andreas | | Sinner, Jannik | | Sonego, Lorenzo |
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| Sousa, Joao |
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| Donskoy, Evgeny | | Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
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| Harris, Lloyd |
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| Chung, Hyeon | | Kwon, Soonwoo |
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| | Switzerland (3) |
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| Federer, Roger | | Laaksonen, Henri | | Wawrinka, Stan |
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| Zjednoczone Królestwo (3) |
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| Edmund, Kyle | | Evans, Daniel | | Norrie, Cameron |
| | Stany Zjednoczone (15) |
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