| Argentina (1) |
|---|
| Pella, Guido |
| | Australien (2) |
|---|
| Ebden, Matthew | | Tomic, Bernard |
| | Belgien (1) |
|---|
| Bemelmans, Ruben |
| | Canada (2) |
|---|
| Auger-Aliassime, Felix | | Pospisil, Vasek |
|
| Kina (2) |
|---|
| Wu, Yibing | | Zhang, Ze |
| | Cypern (1) |
|---|
| Baghdatis, Marcos |
| | Frankrig (2) |
|---|
| Mannarino, Adrian | | Monfils, Gael |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Tyskland (1) |
|---|
| Zverev, Mischa |
| | Indien (1) |
|---|
| Gunneswaran, Prajnesh |
| | Italien (2) |
|---|
| Berrettini, Matteo | | Fognini, Fabio |
| | Kasakhstan (1) |
|---|
| Kukushkin, Mikhail |
|
| | | Rusland (1) |
|---|
| Donskoy, Evgeny |
| | Sydafrika (1) |
|---|
| Harris, Lloyd |
|
| | Taiwan (1) |
|---|
| Tseng, Chun-Hsin |
| | Tunesien (1) |
|---|
| Jaziri, Malek |
| | USA (5) |
|---|
| Fritz, Taylor | | Klahn, Bradley | | Querrey, Sam | | Sandgren, Tennys | | Smyczek, Tim |
|