| Australia (2) |
|---|
| Bolt, Alex | | Popyrin, Alexei |
| | Belgium (2) |
|---|
| Goffin, David | | Mertens, Elise |
| | Canada (2) |
|---|
| Raonic, Milos | | Shapovalov, Denis |
| | China (2) |
|---|
| Wang, Qiang | | Zhang, Shuai |
|
| | Czech Republic (1) |
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| Pliskova, Karolina |
| | France (2) |
|---|
| Herbert, Pierre-Hugues | | Pouille, Lucas |
| | Germany (1) |
|---|
| Zverev, Alexander |
|
| Italy (2) |
|---|
| Fognini, Fabio | | Giorgi, Camila |
| | Japan (2) |
|---|
| Nishikori, Kei | | Osaka, Naomi |
| | Latvia (1) |
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| Sevastova, Anastasija |
| |
| | Russia (1) |
|---|
| Medvedev, Daniil |
| | Serbia (2) |
|---|
| Djokovic, Novak | | Krajinovic, Filip |
| | Spain (2) |
|---|
| Carreno Busta, Pablo | | Muguruza, Garbiñe |
|
| Switzerland (1) |
|---|
| Bacsinszky, Timea |
| | | Ukraine (2) |
|---|
| Svitolina, Elina | | Yastremska, Dayana |
| | United States (3) |
|---|
| Keys, Madison | | Williams, Serena | | Williams, Venus |
|