| Argentina (4) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Coria, Federico | | Etcheverry, Tomas Martin |
| | Austrálie (2) |
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| De Minaur, Alex | | Duckworth, James |
| | | Francie (10) |
|---|
| Barrere, Gregoire | | Gaston, Hugo | | Guinard, Manuel | | Humbert, Ugo | | Mannarino, Adrian | | Monfils, Gael | | Pouille, Lucas | | Rinderknech, Arthur | | Simon, Gilles | | Tsonga, Jo-Wilfried |
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| Německo (2) |
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| Altmaier, Daniel | | Otte, Oscar |
| | Japonsko (1) |
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| Watanuki, Yosuke |
| | Rusko (2) |
|---|
| Karatsev, Aslan | | Khachanov, Karen |
| | Slovensko (1) |
|---|
| Molcan, Alex |
|
| Slovinsko (1) |
|---|
| Bedene, Aljaz |
| | Jižní Korea (1) |
|---|
| Kwon, Soonwoo |
| | Španělsko (2) |
|---|
| Carreno Busta, Pablo | | Martinez, Pedro |
| | Velká Británie (1) |
|---|
| Norrie, Cameron |
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