| Argentina (3) |
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| Bagnis, Facundo | | Cerundolo, Francisco | | Coria, Federico |
| | Australia (1) |
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| Millman, John |
| | Østerrike (1) |
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| Novak, Dennis |
| | Brasil (1) |
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| Monteiro, Thiago |
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| Chile (1) |
|---|
| Garin, Christian |
| | Tsjekkisk Republikk (1) |
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| Vesely, Jiri |
| | Danmark (1) |
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| Rune, Holger Vitus Nodskov |
| | Finland (1) |
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| Ruusuvuori, Emil |
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| Frankrike (2) |
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| Gasquet, Richard | | Rinderknech, Arthur |
| | Tyskland (1) |
|---|
| Hanfmann, Yannick |
| | Italia (4) |
|---|
| Caruso, Salvatore | | Cecchinato, Marco | | Fognini, Fabio | | Musetti, Lorenzo |
| |
| | | | Slovakia (2) |
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| Gombos, Norbert | | Martin, Andrej |
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| | Spania (2) |
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| Carballes Baena, Roberto | | Martinez, Pedro |
| | Sverige (2) |
|---|
| Ymer, Elias | | Ymer, Mikael |
| | Sveits (1) |
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| Laaksonen, Henri |
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