| Argentina (3) |
|---|
| Cerundolo, Francisco | | Etcheverry, Tomas Martin | | Navone, Mariano |
| | Austrálie (3) |
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| De Minaur, Alex | | Duckworth, James | | O'Connell, Christopher |
| | Kanada (1) |
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| Shapovalov, Denis |
| |
| Chorvatsko (2) |
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| Ajdukovic, Duje | | Cilic, Marin |
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| Lehecka, Jiri |
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| Muller, Alexandre |
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| Altmaier, Daniel |
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| Maďarsko (2) |
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| Fucsovics, Marton | | Marozsan, Fabian |
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| Darderi, Luciano | | Fognini, Fabio |
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| Borges, Nuno |
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| Kotov, Pavel | | Safiullin, Roman |
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| Srbsko (5) |
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| Djere, Laslo | | Djuric, Branko | | Kecmanovic, Miomir | | Lajovic, Dusan | | Medjedovic, Hamad |
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| Klein, Lukas |
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| Wawrinka, Stan |
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| Kovacevic, Aleksandar | | Nakashima, Brandon |
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