| Argentina (2) |
|---|
| Del Potro, Juan Martin | | Mayer, Leonardo |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | Cypern (1) |
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| Baghdatis, Marcos |
| |
| Frankrig (2) |
|---|
| Chardy, Jeremy | | Herbert, Pierre-Hugues |
| | Tyskland (2) |
|---|
| Struff, Jan-Lennard | | Zverev, Mischa |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Italien (3) |
|---|
| Bolelli, Simone | | Fognini, Fabio | | Giannessi, Alessandro |
|
| | | | Rumænien (1) |
|---|
| Copil, Marius |
|
| Serbien (1) |
|---|
| Troicki, Viktor |
| | Slovakiet (2) |
|---|
| Gombos, Norbert | | Lacko, Lukas |
| | Sydafrika (1) |
|---|
| Anderson, Kevin |
| |
| Spanien (1) |
|---|
| Verdasco, Fernando |
| | Sverige (2) |
|---|
| Ymer, Elias | | Ymer, Mikael |
| | Tunesien (1) |
|---|
| Jaziri, Malek |
| |
| Usbekistan (1) |
|---|
| Istomin, Denis |
|