| Argentina (2) |
|---|
| Baez, Sebastian | | Delbonis, Federico |
| | Brasilien (1) |
|---|
| Seyboth Wild, Thiago |
| | | Frankrig (3) |
|---|
| Moutet, Corentin | | Paire, Benoit | | Pouille, Lucas |
|
| Georgien (1) |
|---|
| Basilashvili, Nikoloz |
| | Tyskland (6) |
|---|
| Altmaier, Daniel | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Kuhn, Nicola | | Marterer, Maximilian | | Struff, Jan-Lennard |
| | Grækenland (1) |
|---|
| Tsitsipas, Stefanos |
| |
| Italien (1) |
|---|
| Mager, Gianluca |
| | Litauen (1) |
|---|
| Berankis, Ricardas |
| | Peru (1) |
|---|
| Varillas, Juan Pablo |
| | Serbien (3) |
|---|
| Djere, Laslo | | Krajinovic, Filip | | Lajovic, Dusan |
|
| Slovakiet (1) |
|---|
| Molcan, Alex |
| | Spanien (5) |
|---|
| Carreno Busta, Pablo | | Lopez, Feliciano | | Munar, Jaume | | Ramos-Vinolas, Albert | | Taberner, Carlos |
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