| Argentina (4) |
|---|
| Berlocq, Carlos | | Del Potro, Juan Martin | | Kicker, Nicolas | | Olivo, Renzo |
| | Austrálie (3) |
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| Kokkinakis, Thanasi | | Kyrgios, Nick | | Thompson, Jordan |
| | | Bosna a Hercegovina (1) |
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| Dzumhur, Damir |
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| Brazílie (1) |
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| Monteiro, Thiago |
| | | Chorvatsko (1) |
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| Coric, Borna |
| | Česká republika (1) |
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| Berdych, Tomas |
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| Francie (5) |
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| Halys, Quentin | | Mahut, Nicolas | | Paire, Benoit | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Gruzie (1) |
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| Basilashvili, Nikoloz |
| | |
| | Portugalsko (1) |
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| Elias, Gastao |
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| Khachanov, Karen | | Medvedev, Daniil |
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| Chung, Hyeon |
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| Španělsko (1) |
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| Granollers, Marcel |
| | Velká Británie (1) |
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| Edmund, Kyle |
| | USA (2) |
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| Sandgren, Tennys | | Young, Donald |
| | Uzbekistán (1) |
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| Istomin, Denis |
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