| Argentina (3) |
|---|
| Bagnis, Facundo | | Etcheverry, Tomas Martin | | Villanueva, Gonzalo |
| | Australia (6) |
|---|
| Hijikata, Rinky | | Kokkinakis, Thanasi | | Kubler, Jason | | Millman, John | | Purcell, Max | | Thompson, Jordan |
| | Canada (1) |
|---|
| Auger-Aliassime, Felix |
| | Colombia (1) |
|---|
| Barrientos, Nicolas |
|
| Francia (1) |
|---|
| Halys, Quentin |
| | Germania (1) |
|---|
| Hanfmann, Yannick |
| | Giappone (1) |
|---|
| Uchida, Kaichi |
| | Lituania (1) |
|---|
| Berankis, Ricardas |
|
| Messico (3) |
|---|
| Escobedo, Ernesto | | Hernandez, Alex | | Pacheco Mendez, Rodrigo |
| | | Russia (1) |
|---|
| Medvedev, Daniil |
| | Serbia (1) |
|---|
| Kecmanovic, Miomir |
|
| Spagna (2) |
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| Lopez, Feliciano | | Verdasco, Fernando |
| | Svizzera (1) |
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| Laaksonen, Henri |
| | Taiwan (1) |
|---|
| Tseng, Chun-Hsin |
| | Regno Unito (1) |
|---|
| Norrie, Cameron |
|
| Stati Uniti (3) |
|---|
| Chappell, Nick | | Johnson, Steve | | Nakashima, Brandon |
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