| Argentina (3) |
|---|
| Berlocq, Carlos | | Del Potro, Juan Martin | | Olivo, Renzo |
| | Francie (3) |
|---|
| Gasquet, Richard | | Mathieu, Paul-Henri | | Paire, Benoit |
| | Itálie (1) |
|---|
| Caruso, Salvatore |
| | Japonsko (2) |
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| Daniel, Taro | | Sugita, Yuichi |
|
| Lucembursko (1) |
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| Muller, Gilles |
| | Portugalsko (5) |
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| Domingues, Joao | | Elias, Gastao | | Silva, Frederico Ferreira | | Sousa, Joao | | Sousa, Pedro |
| | | Jihoafrická republika (1) |
|---|
| Anderson, Kevin |
|
| Španělsko (5) |
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| Almagro, Nicolas | | Carreno Busta, Pablo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Robredo, Tommy |
| | | | Velká Británie (1) |
|---|
| Edmund, Kyle |
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| USA (2) |
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| Fratangelo, Bjorn | | Harrison, Ryan |
| | Uzbekistán (1) |
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| Istomin, Denis |
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