Argentina (4) |
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Berlocq, Carlos | Del Potro, Juan Martin | Kicker, Nicolas | Olivo, Renzo |
| Australia (3) |
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Kokkinakis, Thanasi | Kyrgios, Nick | Thompson, Jordan |
| | Bosnia og Herzegovina (1) |
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Dzumhur, Damir |
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Brasil (1) |
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Monteiro, Thiago |
| | | Tsjekkisk Republikk (1) |
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Berdych, Tomas |
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Frankrike (5) |
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Halys, Quentin | Mahut, Nicolas | Paire, Benoit | Simon, Gilles | Tsonga, Jo-Wilfried |
| Georgia (1) |
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Basilashvili, Nikoloz |
| Tyskland (1) |
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Brown, Dustin |
| |
| Portugal (1) |
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Elias, Gastao |
| Russland (2) |
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Khachanov, Karen | Medvedev, Daniil |
| Sør-Korea (1) |
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Chung, Hyeon |
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Spania (1) |
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Granollers, Marcel |
| | Amerika (2) |
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Sandgren, Tennys | Young, Donald |
| Uzbekistan (1) |
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Istomin, Denis |
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