| Australia (5) |
|---|
| Bolt, Alex | | Ebden, Matthew | | Purcell, Max | | Smith, John-Patrick | | Tomic, Bernard |
| | Kanada (1) |
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| Pospisil, Vasek |
| | Chorwacja (2) |
|---|
| Karlovic, Ivo | | Skugor, Franko |
| | Cypr (1) |
|---|
| Baghdatis, Marcos |
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| Francja (4) |
|---|
| Chardy, Jeremy | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mannarino, Adrian |
| | Gruzja (1) |
|---|
| Basilashvili, Nikoloz |
| | Grecja (1) |
|---|
| Tsitsipas, Stefano |
| |
| | Japonia (1) |
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| Sugita, Yuichi |
| | Luksemburg (1) |
|---|
| Muller, Gilles |
| | Holandia (2) |
|---|
| Griekspoor, Tallon | | Haase, Robin |
|
| | Rosja (2) |
|---|
| Donskoy, Evgeny | | Medvedev, Daniil |
| | Słowenia (1) |
|---|
| Bedene, Aljaz |
| | Hiszpania (2) |
|---|
| Garcia-Lopez, Guillermo | | Verdasco, Fernando |
|
| | Stany Zjednoczone (3) |
|---|
| King, Kevin | | McDonald, Mackenzie | | Smyczek, Tim |
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