| Argentina (1) |
|---|
| Londero, Juan Ignacio |
| | Australia (1) |
|---|
| Thompson, Jordan |
| | Canada (1) |
|---|
| Shapovalov, Denis |
| |
| | Francia (6) |
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| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Moutet, Corentin | | Simon, Gilles |
| | Italia (1) |
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| Cecchinato, Marco |
| | Giappone (1) |
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| Nishikori, Kei |
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| Kazakistan (1) |
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| Bublik, Alexander |
| | Portogallo (2) |
|---|
| Borges, Nuno | | Sousa, Joao |
| | Sud Africa (2) |
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| Anderson, Kevin | | Harris, Lloyd |
| | Spagna (8) |
|---|
| Alcaraz, Carlos | | Andujar, Pablo | | Carballes Baena, Roberto | | Davidovich Fokina, Alejandro | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
|
| Regno Unito (1) |
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| Norrie, Cameron |
| | Stati Uniti (2) |
|---|
| Giron, Marcos | | Tiafoe, Frances |
|