| Argentina (1) |
|---|
| Schwartzman, Diego |
| | Australia (1) |
|---|
| Kyrgios, Nick |
| | Belgium (1) |
|---|
| Mertens, Elise |
| | Bosnia-Herzegovina (1) |
|---|
| Dzumhur, Damir |
|
| Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Croatia (2) |
|---|
| Cilic, Marin | | Karlovic, Ivo |
| | Czech Republic (1) |
|---|
| Allertova, Denisa |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
|
| Estonia (2) |
|---|
| Kanepi, Kaia | | Kontaveit, Anett |
| | France (2) |
|---|
| Cornet, Alizé | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| |
| Latvia (1) |
|---|
| Ostapenko, Jelena |
| | Luxembourg (1) |
|---|
| Muller, Gilles |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| |
| | Slovakia (1) |
|---|
| Rybarikova, Magdalena |
| | Spain (3) |
|---|
| Carreno Busta, Pablo | | Nadal, Rafael | | Suárez Navarro, Carla |
| | Ukraine (4) |
|---|
| Bondarenko, Kateryna | | Dolgopolov, Alexandr | | Kostyuk, Marta | | Svitolina, Elina |
|
| United Kingdom (1) |
|---|
| Edmund, Kyle |
| | United States (1) |
|---|
| Harrison, Ryan |
|