| Argentina (2) |
|---|
| Delbonis, Federico | | Schwartzman, Diego |
| | Australia (1) |
|---|
| De Minaur, Alex |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Bielorussia (1) |
|---|
| Ivashka, Ilya |
|
| | | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Auger-Aliassime, Felix | | Shapovalov, Denis |
|
| | Croazia (2) |
|---|
| Cilic, Marin | | Coric, Borna |
| | Francia (4) |
|---|
| Humbert, Ugo | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
|
| Germania (1) |
|---|
| Zverev, Alexander |
| | Grecia (1) |
|---|
| Tsitsipas, Stefanos |
| | Italia (4) |
|---|
| Fognini, Fabio | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
| | Kazakistan (1) |
|---|
| Bublik, Alexander |
|
| Olanda (1) |
|---|
| Zandschulp, Botic van de |
| | | Polonia (1) |
|---|
| Hurkacz, Hubert |
| | Russia (3) |
|---|
| Karatsev, Aslan | | Khachanov, Karen | | Rublev, Andrey |
|
| Serbia (4) |
|---|
| Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan |
| | Sud Africa (1) |
|---|
| Harris, Lloyd |
| | Corea del Sud (1) |
|---|
| Kwon, Soonwoo |
| | Spagna (8) |
|---|
| Alcaraz, Carlos | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Gimeno Valero, Carlos | | Martinez, Pedro | | Nadal, Rafael | | Ramos-Vinolas, Albert |
|
| Regno Unito (4) |
|---|
| Draper, Jack | | Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | Stati Uniti (7) |
|---|
| Brooksby, Jenson | | Cressy, Maxime | | Isner, John | | Korda, Sebastian | | Opelka, Reilly | | Paul, Tommy | | Tiafoe, Frances |
|