| Argentina (2) |
|---|
| Del Potro, Juan Martin | | Pella, Guido |
| | Australien (3) |
|---|
| Kyrgios, Nick | | Polmans, Marc | | Thompson, Jordan |
| | | Belgien (1) |
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| Bemelmans, Ruben |
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| Bulgarien (1) |
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| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Pospisil, Vasek | | Raonic, Milos |
| | Cypern (1) |
|---|
| Baghdatis, Marcos |
| | Frankrig (3) |
|---|
| Mahut, Nicolas | | Monfils, Gael | | Pouille, Lucas |
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| Tyskland (2) |
|---|
| Zverev, Alexander | | Zverev, Mischa |
| | Indien (2) |
|---|
| Bhambri, Yuki | | Ramanathan, Ramkumar |
| | Israel (2) |
|---|
| Leshem, Edan | | Sela, Dudi |
| | Italien (2) |
|---|
| Bega, Alessandro | | Fabbiano, Thomas |
|
| Japan (2) |
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| Nishikori, Kei | | Soeda, Go |
| | Luxembourg (1) |
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| Muller, Gilles |
| | | Rumænien (1) |
|---|
| Copil, Marius |
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| Rusland (2) |
|---|
| Medvedev, Daniil | | Tursunov, Dmitry |
| | Slovakiet (1) |
|---|
| Lacko, Lukas |
| | Sydafrika (1) |
|---|
| Anderson, Kevin |
| |
| Schweizisk (1) |
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| Laaksonen, Henri |
| | Tunesien (1) |
|---|
| Jaziri, Malek |
| | Storbritannien (1) |
|---|
| Edmund, Kyle |
| | USA (14) |
|---|
| Bangoura, Sekou | | Donaldson, Jared | | Halebian, Alexios | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kozlov, Stefan | | Krueger, Mitchell | | Opelka, Reilly | | Paul, Tommy | | Sandgren, Tennys | | Smyczek, Tim | | Sock, Jack | | Young, Donald |
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