| Argentina (5) |
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| Del Potro, Juan Martin | | Delbonis, Federico | | Kicker, Nicolas | | Mayer, Leonardo | | Schwartzman, Diego |
| | Austria (1) |
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| Thiem, Dominic |
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| Dzumhur, Damir |
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| Dimitrov, Grigor |
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| Raonic, Milos | | Shapovalov, Denis |
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| Berdych, Tomas |
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| Francia (6) |
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| Benneteau, Julien | | Gasquet, Richard | | Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas |
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| Basilashvili, Nikoloz |
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| Haase, Robin |
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| Anderson, Kevin |
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| Edmund, Kyle |
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