| Argentinien (2) |
|---|
| Pella, Guido | | Schwartzman, Diego |
| | Australien (5) |
|---|
| De Minaur, Alex | | Kyrgios, Nick | | Millman, John | | Thompson, Jordan | | Tomic, Bernard |
| | Österreich (1) |
|---|
| Thiem, Dominic |
| | Weißrussland (1) |
|---|
| Ivashka, Ilya |
|
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | Kanada (6) |
|---|
| Auger-Aliassime, Felix | | Polansky, Peter | | Pospisil, Vasek | | Raonic, Milos | | Schnur, Brayden | | Shapovalov, Denis |
| | Chile (1) |
|---|
| Garin, Christian |
|
| Kroatien (2) |
|---|
| Cilic, Marin | | Coric, Borna |
| | Frankreich (8) |
|---|
| Gasquet, Richard | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
| | Deutschland (3) |
|---|
| Gojowczyk, Peter | | Struff, Jan-Lennard | | Zverev, Alexander |
|
| Griechenland (1) |
|---|
| Tsitsipas, Stefano |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Italien (3) |
|---|
| Berrettini, Matteo | | Cecchinato, Marco | | Fognini, Fabio |
| |
| Kasachstan (1) |
|---|
| Kukushkin, Mikhail |
| | | | Russland (2) |
|---|
| Khachanov, Karen | | Medvedev, Daniil |
|
| Serbien (2) |
|---|
| Djere, Laslo | | Lajovic, Dusan |
| | Südkorea (1) |
|---|
| Kwon, Soonwoo |
| | Spanien (3) |
|---|
| Bautista Agut, Roberto | | Lopez, Feliciano | | Nadal, Rafael |
| | Schweiz (1) |
|---|
| Wawrinka, Stan |
|
| Groß Britannien (3) |
|---|
| Edmund, Kyle | | Evans, Daniel | | Norrie, Cameron |
| | Vereinigte Staaten (4) |
|---|
| Fritz, Taylor | | Isner, John | | Klahn, Bradley | | Paul, Tommy |
|