| Austrália (2) |
|---|
| Thompson, Jordan | | Tomic, Bernard |
| | | | Kolumbia (2) |
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| Galan, Daniel Elahi | | Giraldo, Santiago |
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| Chorvátsko (1) |
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| Karlovic, Ivo |
| | Francúzsko (1) |
|---|
| Chardy, Jeremy |
| | Taliansko (1) |
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| Lorenzi, Paolo |
| |
| Srbsko (2) |
|---|
| Krstin, Pedja | | Tipsarevic, Janko |
| | Španielsko (2) |
|---|
| Garcia-Lopez, Guillermo | | Granollers, Marcel |
| | Švajčiarsko (1) |
|---|
| Laaksonen, Henri |
| | Veľká Británia (1) |
|---|
| Norrie, Cameron |
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| USA (11) |
|---|
| Fratangelo, Bjorn | | Fritz, Taylor | | Harrison, Ryan | | Johnson, Steve | | Klahn, Bradley | | Kudla, Denis | | McDonald, Mackenzie | | Opelka, Reilly | | Querrey, Sam | | Rubin, Noah | | Sandgren, Tennys |
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