| Argentina (4) |
|---|
| Coria, Federico | | Delbonis, Federico | | Kicker, Nicolas | | Zeballos, Horacio |
| | Austrálie (2) |
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| Ebden, Matthew | | Millman, John |
| | Rakousko (1) |
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| Thiem, Dominic |
| | Belgie (1) |
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| Loore, Joris De |
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| Dominikánská republika (1) |
|---|
| Hernandez-Fernandez, Jose |
| | Francie (6) |
|---|
| Barrere, Gregoire | | Hemery, Calvin | | Mannarino, Adrian | | Monfils, Gael | | Moutet, Corentin | | Simon, Gilles |
| | Německo (1) |
|---|
| Marterer, Maximilian |
| | Kazachstán (1) |
|---|
| Kukushkin, Mikhail |
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| | Portugalsko (1) |
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| Sousa, Joao |
| | Srbsko (2) |
|---|
| Djere, Laslo | | Lajovic, Dusan |
| | Slovensko (1) |
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| Horanský, Filip |
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| Jižní Korea (1) |
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| Chung, Hyeon |
| | Španělsko (3) |
|---|
| Carballes Baena, Roberto | | Garcia-Lopez, Guillermo | | Samper-Montana, Jordi |
| | Velká Británie (1) |
|---|
| Norrie, Cameron |
| | USA (3) |
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| Fritz, Taylor | | Isner, John | | Sock, Jack |
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