| Argentina (1) |
|---|
| Pella, Guido |
| | Australien (1) |
|---|
| Thompson, Jordan |
| | Østrig (1) |
|---|
| Rodionov, Jurij |
| | Hviderusland (1) |
|---|
| Ivashka, Ilya |
|
| | Canada (2) |
|---|
| Auger-Aliassime, Felix | | Pospisil, Vasek |
| | Frankrig (5) |
|---|
| Humbert, Ugo | | Monfils, Gael | | Moutet, Corentin | | Rinderknech, Arthur | | Simon, Gilles |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Tyskland (6) |
|---|
| Altmaier, Daniel | | Hanfmann, Yannick | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Grækenland (1) |
|---|
| Tsitsipas, Stefanos |
| | | Litauen (1) |
|---|
| Berankis, Ricardas |
|
| | Rusland (3) |
|---|
| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
| | Slovakiet (1) |
|---|
| Lacko, Lukas |
| | Sydafrika (1) |
|---|
| Harris, Lloyd |
|
| Spanien (1) |
|---|
| Bautista Agut, Roberto |
| | Schweizisk (1) |
|---|
| Federer, Roger |
| | USA (3) |
|---|
| Giron, Marcos | | Korda, Sebastian | | Querrey, Sam |
|